Precision boring bars with internal coolant for deep hole accuracy
Boring bars with internal coolant are precision tools designed to enlarge and finish existing holes, delivering tight dimensional and form tolerances while preventing tool breakage and surface damage; they are essential for deep bores and blind holes where external cooling cannot reach the cutting edge. These systems force high-pressure coolant through axial channels directly to the cutter, which reduces thermal stress and efficiently evacuates chips, making them ideal for machining difficult-to-cut or long-chipping materials. As a compact tool solution they combine rigidity, chip control and cooling to improve cycle times and extend tool life, with the main advantages being enhanced hole quality, repeatability and reduced rework for production and maintenance machining operations.
32mm Boring Bar PCLN For CNMG Inserts With Coolant, 25mm Shank 50mm Cutting Height, A25S PCLNR - Teknik Makina
Take advantage of a rigid, ISO-compatible toolholder with efficient coolant delivery and a compact shank for stable internal turning; order the tool directly via Metav Werkzeuge or consult the technical team for application-specific setup. Boring Bar AP340TM — PCLN holder for CNMG indexable inserts with internal coolant The Boring Bar AP340TM is a right-hand PCLn-style toolholder engineered for precision internal turning with CNMG 1204 indexable inserts, suited to confined bores and finishing passes in production and toolroom environments Right-hand PCLN holder Internal coolant for chip control Compatible with CNMG 1204 inserts Shank Ø 25 mm, length 250 mm Stable holder geometry for precise internal turning The design provides a rigid mounting platform that reduces vibration during internal operations, improving surface finish and reproducibility. With the ISO designation A25S PCLNR the toolholder matches common clamping systems and ensures predictable alignment with standard tool posts. The shank Ø25 mm and compact overall form translate into a reduced overhang, which lowers deflection and supports tighter tolerances on turned bores. This structural stability is particularly relevant where consistent concentricity and repeatable diameters are required. Controlled coolant flow to extend insert life and clear chips Built-in internal coolant directs lubricant and coolant directly to the cutting zone, aiding chip evacuation and heat dissipation. Targeted coolant delivery reduces thermal loads on the insert, which can extend insert life and allow steadier cutting parameters. The holder’s 95° approach angle facilitates effective chip flow for CNMG geometry, meaning fewer interruptions and more consistent cycle times in series production. These features combine to increase process efficiency and reduce unplanned insert changes. Straightforward integration with CNMG indexable systems Compatibility with CNMG 1204 inserts makes the toolholder suitable for a wide range of turning tasks where indexable carbide inserts are standard. The PCLN mounting style ensures secure clamping of inserts and straightforward index changes, keeping downtime to a minimum. The right-hand cutting orientation is designed for conventional lathe setups; the product’s nominal data such as cutting height 50 mm and overall length 250 mm support clear planning for fixture and turret arrangements. The holder is delivered ready for integration into common turning tool assemblies. Proven supply reliability and partner support from Metav Sourcing from a partner network that stands for accessible precision helps mitigate procurement risk. Metav’s position as a precision partner—serving thousands of industrial and craft customers from a central quality hub—means predictable availability and expert advice on tooling selection. The combination of a consistent product range and local logistical control from Emmerich supports uninterrupted operations and helps maintain production schedules. Discuss application details with Metav Werkzeuge for tailored tooling recommendations and reliable delivery from Emmerich to the workshop floor. Technical Data Article number: AP340TM Manufacturer: Teknik Makina Product: Boring bar PCLN for CNMG indexable inserts Data Shank diameter: 25 mm Overall length: 250 mm Cutting height: 50 mm Diameter: 32 mm Weight: 0.921 kg Approach angle: 95° Special features Internal coolant: yes Insert type: CNMG 1204 ISO designation: A25S PCLNR Cutting direction: right-hand FAQ Which insert type fits this toolholder? The AP340TM accepts CNMG 1204 indexable inserts; the PCLN clamping style of the boring bar is designed specifically for that insert format and grade choices. Is coolant supplied through the bar? Yes, the holder features internal coolant, directing fluid to the cutting edge to support chip control and thermal management during machining. What are the key dimensions for fixture planning? Nominal dimensions include a shank diameter of 25 mm, an overall length of 250 mm and a cutting height of 50 mm, which inform turret clearance and overhang calculations. How does the ISO designation affect compatibility? The A25S PCLNR ISO designation indicates the standardised holder geometry, facilitating interchange with compatible tool posts and clamping systems when using Teknik Makina components such as the AP340TM Manufacturer / Responsible: Teknik Cutting Tools, Buyukkayacık OSB Mah. 422 Nolu Sokak No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
32mm Boring Bar PDUN for DNMG 1506 Indexable Inserts 25mm Shank, 50mm Cutting Height, 250mm Overall Length - Teknik Makina
Take advantage of the combination of precise compatibility with DNMG 1506 indexable inserts, a 25 mm shank for secure clamping and a compact 250 mm overall length for flexible setup; order the boring bar directly via Metav Werkzeuge or ask our consultants if needed Boring bar PDUN for DNMG indexable inserts — 25 mm shank, 250 mm overall (Teknik Makina) The Boring Bar PDUN for DNMG Indexable Inserts is a right-hand toolholder designed for turning operations with DNMG 1506 inserts, offering a compact overall length and a secure shank for dependable workshop use Right-hand PDUNR design for stable cutting Compatible with DNMG 1506 indexable inserts 25 mm shank diameter for secure clamping 250 mm overall length with 93° cutting angle Reliable compatibility that simplifies tooling decisions The PDUN-style toolholder integrates the ISO designation S25S PDUNR to ensure compatibility with standard insert geometries. With a 25 mm shank and suitability for DNMG 1506 inserts, the holder provides a verifiable basis for selecting inserts and clamping systems. For purchasers and workshop planners, this reduces uncertainty at the procurement stage and streamlines tool kit standardisation, since the specification is directly comparable to other PDUN holders in production documentation. Stable cutting performance and consistent chip control Built for a right-hand cutting direction and featuring a 93° cutting angle, the bar’s geometry supports predictable cutting forces and effective chip formation. The 50 mm cutting height positions the insert for correct engagement, while the moderate mass of 0.93 kg contributes to balance without excess inertia. Engineers will appreciate that these measurable values translate into consistent surface finish and reduced vibration during turning, especially when paired with the recommended DNMG grade for the machining task. Practical setup and dependable workshop operation The compact 250 mm overall length and robust shank diameter make the toolholder straightforward to mount and adjust in common turret or toolpost arrangements. The PDUN concept facilitates simple insert indexing and replacement, lowering fixture downtime. Specified dimensions and the ISO identification support maintenance planning and inventory control: replacement bars and matching inserts can be ordered against the SKU and ISO code with confidence, helping to keep production running smoothly. For tailored advice on the Teknik Makina PDUN boring bar (SKU P300TM) or to discuss supply options from Metav Werkzeuge, contact our technical team at info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: P300TM Manufacturer: Teknik Makina Type: PDUN for DNMG Indexable Inserts ISO designation: S25S PDUNR Facts Shank diameter: 25 mm Cutting height: 50 mm Overall length: 250 mm Weight: 0.93 kg Cutting angle: 93° Diameter: 32 mm Special features Suitable for DNMG 1506 indexable inserts Right-hand cutting orientation ISO-coded design for straightforward cross-referencing FAQ Which inserts are compatible with this toolholder? The P300TM is designed for DNMG 1506 indexable inserts; the PDUN geometry ensures secure seating and correct rake for this insert type. What are the main dimensions for clamping and setup? The bar has a 25 mm shank diameter, a 250 mm overall length and a 50 mm cutting height, which are the key values for selecting clamping fixtures. Is this toolholder right- or left-hand? This model is a right-hand toolholder (PDUNR), suitable for conventional right-hand turning directions. What is the ISO designation for cross-referencing? The boring bar carries the S25S PDUNR ISO designation, useful for ordering and verifying compatibility. What is the product SKU and manufacturer? The SKU is P300TM, manufactured by Teknik Makina Manufacturer / Responsible: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar PDUN for DNMG 1506 Left Hand Internal Coolant, 250mm Length - Teknik Makina
Take advantage of the combination of internal coolant, compatibility with DNMG 1506 indexable inserts and a compact 250 mm length for steady, repeatable turning operations – all supplied via Metav Werkzeuge. Order the boring bar directly through Metav Werkzeuge or consult our specialists for application support. A25S PDUNL Boring Bar — PDUN for DNMG Indexable Inserts, Internal Coolant (Teknik Makina) A PDUN for DNMG Indexable Inserts designed as a left-hand boring bar with integrated coolant feed for secure insert clamping and reliable chip control during turning operations Compatible with DNMG 1506 indexable inserts Internal coolant supply for reliable chip evacuation ISO A25S PDUNL left-hand orientation 25 mm shank, 250 mm total length Stable coolant and secure insert clamping for consistent cutting The A25S PDUNL holder features an integrated internal coolant channel that directs coolant straight to the cutting zone, improving heat control and promoting cleaner chip breakage. Combined with compatibility for DNMG 1506 indexable inserts and a 93° cutting angle, this geometry is oriented for stable material removal when a left-hand cut is required. These characteristics reduce thermal load on the insert and help maintain dimensional accuracy across serial runs, delivering reproducible cutting performance without unnecessary downtime. Robust shank and compact length for rigid setup Built with a 25 mm shank and 250 mm total length, the tool holder balances accessibility and rigidity to limit deflection in common turning setups. The 50 mm cutting height and modest 0.9 kg mass aid quick clamping and stable rotation while keeping the assembly easy to handle during changeover. The compact dimensions translate into improved vibration damping and repeatable tool positioning, which in turn supports tighter tolerances and less rework in medium‑ to high‑volume machining. Application focus: efficient indexable insert turning in production Specifically aimed at indexable insert turning workflows, this left‑hand tool holder supports fast insert indexing and straightforward tool maintenance. Use of indexable insert systems keeps running costs predictable by allowing individual edge changes rather than full‑tool replacement, while the integrated coolant and reliable clamping reduce the risk of unexpected tool failure. For machining lines where consistent cycle times and minimal intervention are priorities, the PDUN configuration offers a pragmatic balance between serviceability and cutting stability. Contact Metav Werkzeuge for supply and technical advice on the Teknik Makina A25S PDUNL boring bar (AP310TM) and to discuss suitability for specific turning applications from our Emmerich stock. Technical Data Article number: AP310TM Manufacturer: Teknik Makina ISO designation: A25S PDUNL Product: PDUN for DNMG Indexable Inserts Facts Shank diameter: 25 mm Total length: 250 mm Diameter: 32 mm Cutting height: 50 mm Weight: 0.9 kg Cutting angle: 93° Cutting direction: left Special features Compatible inserts: DNMG 1506 Internal coolant: yes Shank clamp size: 15 Left-hand orientation Suitable for indexable insert turning FAQ What inserts fit this tool holder? The A25S PDUNL boring bar accepts DNMG 1506 indexable inserts; Teknik Makina designed the holder specifically for that insert geometry (AP310TM). Does the tool support through‑coolant machining? Yes — the holder includes an internal coolant channel to direct coolant to the cutting edge, improving chip evacuation and thermal control for the Teknik Makina A25S PDUNL (AP310TM). What shank size and overall length does the bar have? The bar has a 25 mm shank and a 250 mm total length, chosen to provide a balance of rigidity and reach for typical turning operations with indexable inserts. Is this a left‑hand or right‑hand tool? This product is a left‑hand PDUN variant, intended for machining operations that require left‑hand cutting direction; the ISO designation is A25S PDUNL (AP310TM). How heavy is the tool and what is the cutting height? The tool weighs 0.9 kg and provides a 50 mm cutting height, supporting stable clamping and repeatable positioning in production environments. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar PWLN For WNMG 0804 Inserts 95° Cutting Angle, Internal Coolant - Teknik Makina
Take advantage of the combination of internal coolant, robust clamping for WNMG 0804 indexable inserts and a compact 32 mm diameter for reliable internal turning — secure supply and expert advice from Metav Werkzeuge for seamless tool integration and stable production. A25S PWLNL boring bar — PWLN for WNMG indexable inserts, 32 mm, left‑hand, internal coolant (Teknik Cutting Tools) A compact A25S PWLNL boring bar designed for internal turning with PWLN geometry for WNMG indexable inserts, suited to precision turning tasks and stable chip control Internal coolant for controlled chip removal Compatible with WNMG 0804 indexable inserts 32 mm diameter with 25 mm shank Left‑hand orientation for negative rake operations Stable internal turning with assured insert support The A25S PWLNL boring bar is engineered to deliver rigidity where it matters most, enabling repeatable internal turning cycles with reduced vibration. Its compatibility with WNMG 0804 indexable inserts provides a familiar, economical insert family for a wide range of operations. The tool's geometry and secure clamping reduce insert movement and maintain cutting stability, which translates into fewer rejections and more predictable cycle times. Built-in coolant channels support uninterrupted cutting and help manage temperatures at the cutting edge, improving tool life and surface integrity. Controlled chip evacuation and consistent finishes Integrated internal coolant and a defined 95° cutting angle help to direct chips away from the cutting zone and to maintain a stable machining environment. This results in improved surface finish and reduced need for secondary operations. The left‑hand cutting orientation is useful for specialised set‑ups or reversing toolholders and ensures the bar performs as intended in left‑hand turning applications. With a cutting height of 50 mm, the geometry supports effective cutting forces while keeping chip form manageable, helping to reduce machine downtime and improving overall process reliability. Compact dimensions for easy integration and repeatability Designed for straightforward installation, the tool's 32 mm diameter and 25 mm shank allow easy mounting in standard holders while providing the stiffness required for internal work. The 250 mm overall length balances reach and rigidity for many common bores, and the modest mass (0.911 kg) aids in maintaining spindle balance when correctly mounted. The ISO designation A25S PWLNL and clear specification for PWLN for WNMG inserts make tooling planning and procurement transparent and efficient, reducing setup time and simplifying inventory management. Discuss how the Teknik Cutting Tools boring bar with internal coolant and WNMG compatibility can improve machining stability — contact Metav Werkzeuge in Emmerich for tailored advice and reliable supply: info@metav-werkzeuge.com / +49 2822 7131930 Technical data Article number: AP370TM SKU: AP370TM Brand: Teknik Cutting Tools ISO designation: A25S PWLNL Designation: PWLN for WNMG indexable inserts Core measurements Diameter: 32 mm Shank diameter: 25 mm Overall length: 250 mm Cutting height: 50 mm Weight: 0.911 kg Cutting angle: 95° Special features Internal coolant Left‑hand cutting direction Compatible with WNMG 0804 indexable inserts PWLN insert geometry eClass: 21180806 FAQ Which insert type fits this boring bar? The boring bar accepts WNMG 0804 indexable inserts using the PWLN geometry specified for the A25S PWLNL tool, ensuring stable clamping and predictable chip formation. Is the coolant internal or external? The tool features internal coolant, routed to the cutting edge to support chip evacuation and temperature control during internal turning operations. What are the key dimensions for mounting? Key dimensions include a 32 mm tool diameter, a 25 mm shank diameter and a 250 mm overall length, which together determine compatibility with common toolholders and bar supports. Can this boring bar be used for heavy interrupted cuts? The bar's design emphasises rigidity and secure insert clamping; while it supports stable cutting, suitability for heavy interrupted cuts depends on machine power, holder stiffness and the chosen insert grade. What does the left‑hand orientation mean in practice? Left‑hand cutting direction indicates the bar is configured for turning operations where the cutting action proceeds in a left‑hand sense relative to the spindle — appropriate for designated left‑hand toolholders and setups. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar PWLN For WNMG 0804, 25mm Shank Diameter 50mm Cutting Height, Left-Hand - Teknik Makina
Take advantage of a robust combination of left‑hand cutting, compatibility with WNMG 0804 indexable inserts and a 25 mm shank for secure clamping; order directly via Metav Werkzeuge or contact our consultants for application advice. PWLN Boring Bar P370TM — for WNMG indexable inserts, left‑hand cutting The PWLN Boring Bar P370TM is a left‑hand external turning bar designed to accept WNMG 0804 indexable inserts, offering a rigid shank and a compact overall length for straightforward integration into standard turning centres. Compatible with WNMG 0804 inserts Shank Ø 25 mm for rigid clamping 95° cutting angle for stable cuts Stability and precision for consistent turning results The design prioritises rigidity and reproducible tool geometry to reduce vibration and improve surface finish. With a shank diameter of 25 mm and a cutting angle of 95°, the bar provides a stable support for the insert, which in turn reduces chatter during medium‑duty external turning operations. The specified cutting height of 50 mm ensures correct seating of the indexable insert, so setup is more predictable and repeatable. These characteristics translate into fewer rejected parts and a steadier process window on the shop floor. Predictable chip behaviour and insert compatibility Engineered for use with WNMG 0804 indexable inserts, the toolholder geometry supports reliable chip formation and evacuation when cutting in the left direction. The ISO designation S25S PWLNL indicates the shank and holder form factor, helping maintenance teams and buyers select compatible clamping systems and spare parts. Because the bar accepts a widely used insert format, stock management is simplified and changeover times are reduced, supporting efficient production runs without complex tooling inventories. Compact integration and workshop reliability With an external diameter of 32 mm, overall length 250 mm and a service weight of 0.911 kg, the boring bar is compact enough for confined setups yet substantial enough to deliver stable performance. The model’s compatibility with a clamp holder designation 08 facilitates direct replacement in many existing toolposts, minimising downtime. Marked by measured, domain‑specific engineering rather than unnecessary complexity, this bar is suited to workshops seeking a balance of robustness and straightforward handling. Contact Metav Werkzeuge for tailored application advice on the PWLN boring bar P370TM and procurement from our Emmerich stock at +49 2822 7131930 or info@metav-werkzeuge.com Technical data Article number: P370TM Manufacturer: Teknik Makina Shank diameter: 25 mm Overall length: 250 mm External diameter: 32 mm Cutting height: 50 mm Weight: 0.911 kg Cutting angle: 95° Compatible inserts: WNMG 0804 Cutting direction: left ISO designation: S25S PWLNL Clamp holder designation: 08 FAQ What insert type does the boring bar accept? The PWLN boring bar is designed for WNMG 0804 indexable inserts and seats them at the specified cutting height of 50 mm for reliable engagement. Is the bar suitable for right‑hand and left‑hand turning? This tool is specified for left‑hand cutting; the geometry and rake are optimised accordingly. What are the key dimensions for machine setup? Relevant dimensions include a shank diameter of 25 mm, overall length 250 mm and an external diameter of 32 mm, which help determine compatibility with existing toolposts. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar S25R SDQCL 25mm Shank, 40mm Cutting Height, Left-Hand 107.5° Cut Angle - Teknik Makina
Benefit from the combination of a rigid 25 mm shank, compatibility with DC-- 11T3 indexable inserts and a precise left-hand cutting geometry for consistent machining results — order the S25R SDQCL boring bar directly via Metav Werkzeuge or ask our consultants if needed. Teknik Makina S25R SDQCL Boring Bar (left-hand, 25 mm shank) The S25R SDQCL boring bar is a left-hand turning tool designed for external machining with DC-- 11T3 indexable inserts, suited to CNC turning and precision metal removal Left-hand boring bar S25R SDQCL 25 mm shank diameter for secure clamping Compatible with DC-- 11T3 indexable inserts 200 mm overall length for extended reach Engineered for reliable turning performance The S25R SDQCL boring bar delivers a controlled cutting geometry with a 107.5° cutting angle, which supports predictable chip flow and stable cutting forces. Its indexable-insert concept removes the need for regrinding: inserts can be changed quickly, reducing downtime and ensuring repeatable edge position. The design is aligned with CNC turning workflows, where consistent tool orientation and a calibrated cutting angle contribute directly to part accuracy and surface finish. Secure clamping and extended reach for stable results A 25 mm shank diameter provides a robust connection to the toolholder and reduces radial runout under load, while the 200 mm overall length increases accessibility for deeper operations without compromising stability. The modest mass of 0.748 kg keeps dynamic loads manageable on modern spindles, lowering vibration risk. Together, these dimensions support reliable concentricity and improved tool life in serial production or one-off precision tasks. Optimised for indexable inserts and efficient shop processes Compatibility with DC-- 11T3 indexable inserts simplifies inventory and changeover procedures: standard insert geometries and clamping systems mean familiar handling and secure seating. The left-hand cutting direction is suitable for applications that require mirrored toolpaths or specific fixture arrangements. By combining a standard ISO designation (S25R SDQCL) with proven insert types, the tool offers a pragmatic balance of performance and economy for workshop and industrial turning operations. Contact Metav Werkzeuge today for specialist advice and to secure the Teknik Makina S25R SDQCL left-hand boring bar for your production needs Technical Data SKU: K280TM Manufacturer: Teknik Makina Article designation: Bohrstange / S25R SDQCL Type description: SDQC for DC-- Indexable Inserts eClass: 21180806 Facts Shank diameter: 25 mm Cutting height: 40 mm Cutting angle: 107.5° Diameter: 32 mm Overall length: 200 mm Weight: 0.748 kg Special features Left-hand cutting direction Compatible with DC-- 11T3 indexable inserts ISO designation: S25R SDQCL SDQC design for indexable-insert turning FAQ Which inserts fit this boring bar? The S25R SDQCL boring bar is specified for DC-- 11T3 indexable inserts, allowing use of standard insert geometries for chip control and economical replacement. Is the cutting direction left-hand or right-hand? This tooling is supplied with a left-hand cutting orientation, suitable for operations that require mirrored toolpath directions. What are the key dimensions to consider for holder selection? Refer to the shank diameter (25 mm), overall length (200 mm) and the ISO designation S25R SDQCL when selecting a compatible holder. Can this tool be used on CNC lathes? Yes — the S25R SDQCL boring bar is intended for CNC turning and external machining tasks where indexable-insert tooling is standard. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar S25R STFCR for TCMT 16T3 Indexable Inserts, 25mm Shank Diameter 40mm Cutting Height - Teknik Makina
The combination of robust shank dimensions and precise insert compatibility delivers consistent turning performance and reduced setup time; rely on the proven S25R STFCR design for repeatable, shop-floor results. Order directly via Metav Werkzeuge or contact the team for specific machining guidance. Boring Bar — STFC for TCMT Indexable Inserts (Teknik Cutting Tools) with 25 mm shank and 90° approach The Boring Bar is a right-hand tool holder designed for external turning with TCMT 16T3 indexable inserts, offering a rigid 25 mm shank and a compact 200 mm overall length for stable machining in production and job-shop environments. S25R STFCR shank, 25 mm diameter For TCMT 16T3 indexable inserts Right-hand cutting with 90° approach 200 mm overall length, 32 mm head diameter Precision where stability reduces rework The S25R STFCR holder is engineered for repeatable results in batch and single-part production. With a 25 mm shank and a 32 mm head diameter, the design prioritises rigidity to lower vibration and improve surface finish. Compatibility with TCMT 16T3 inserts means established insert geometries and grades can be applied, so cycle times are maintained and insert changeovers remain straightforward. The construction supports predictable tool deflection behaviour, which contributes to consistent part tolerances and fewer in-process adjustments. Designed for dependable machining cycles Specifying a 90° cutting angle and a right-hand cutting orientation gives a clear machining strategy for facing and turning operations where perpendicular approach and secure chip evacuation are needed. The 200 mm overall length creates a balanced reach suitable for typical external turning setups without excessive overhang, reducing the likelihood of chatter. The modest mass (approx. 0.773 kg) helps to keep dynamic loads moderate while still providing the mass required for damping. These numeric parameters translate into less scrap, more stable feeds and speeds, and improved process economics across production runs. Compatibility and handling that speed set-up The holder accepts TCMT 16T3 inserts and uses the established clamping geometry of the S25R STFCR family, ensuring quick insert seating and secure fixation. The 40 mm cutting height aligns with standard insert sizes, enabling simple tool presetting and repeatable datum referencing in tool holders or presetters. Because the tool is built to common industry dimensions, it integrates smoothly with existing toolposts and turret stations, which reduces changeover time and keeps operators productive. The clear, standardised interface supports the use of widely available carbide grades and coatings from established insert manufacturers. For tailored machining advice or to secure supply from Teknik Cutting Tools via Metav Werkzeuge, contact Metav Werkzeuge GmbH at info@metav-werkzeuge.com or call +49 2822 7131930 to discuss application specifics and availability. Technical data Article number: K166TM Manufacturer: Teknik Makina ISO designation: S25R STFCR Product: Boring bar — STFC for TCMT indexable inserts Facts Shank diameter: 25 mm Cutting height: 40 mm Overall length: 200 mm Head diameter: 32 mm Weight: 0.773 kg Cutting direction: right Cutting angle: 90° Special features Compatible with TCMT 16T3 indexable inserts Right-hand turning tool holder design Standard S25R STFCR shank designation SKU: K166TM FAQ What insert type fits this tool holder? The holder is compatible with TCMT 16T3 indexable inserts and is designed to accept their standard clamping and geometry for reliable seating. Is this a right- or left-hand tool? This turning holder is configured for right-hand cutting, using an approach angle of 90° for external operations. Which shank diameter and length does the tool use? The tool features a 25 mm shank and a 200 mm overall length, providing a balance between reach and rigidity. Can this holder be used on standard turrets and toolposts? Yes — the S25R STFCR design follows common industrial dimensions, so the holder integrates with standard turret and post arrangements for external turning. What is the SKU and who is the manufacturer? The SKU is K166TM and the manufacturer is Teknik Cutting Tools; the product is offered through Metav Werkzeuge for European supply. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar S25R SVQBL For VBMT 1604 Indexable Inserts Left Cut 50mm Cutting Height, 25mm Shank - Teknik Makina
Take advantage of the combination of precise insert compatibility, rigid shank support, and compact dimensions for consistent turning performance; order the boring bar directly via Metav Werkzeuge or ask our consultants if needed. Boring bar K314TM — SVQB for VBMT indexable inserts (left-hand, Ø32 mm) by Teknik Makina The Boring bar K314TM is a left-hand toolholder engineered for turning operations with VBMT 1604 indexable inserts, offering a compact footprint and robust support for workshop and production environments. Left-hand cutting direction For VBMT 1604 indexable inserts Ø32 mm head diameter Rigid shank Ø25 mm Stable support for repeatable turning quality The K314TM delivers a rigid shank concept with a defined ISO designation (S25R SVQBL) that reduces vibration and improves tool life when used in turning setups. The shank Ø25 mm combines stiffness with compatibility for many standard holders, enabling stable machining even under moderate cutting forces. This structural stability translates directly into consistent surface finish and reduced rework in serial production. Proven insert compatibility for flexible applications Designed specifically for VBMT 1604 inserts, the SVQB configuration provides a reliable clamping seat and defined cutting geometry. Using established indexable inserts simplifies process planning: inserts can be changed quickly without regrinding, keeping downtime to a minimum and supporting efficient tool management in production. The clear compatibility reduces setup errors and supports predictable cutting performance. Geometry optimised for effective chip control and finish The toolholder’s cutting angle 107.5° and a generous cutting height 50 mm combine to favour stable chip formation and evacuation in common turning tasks. The left-hand orientation improves approach angles for certain lathe setups and workpiece orientations, helping to maintain steady cutting forces and minimise chatter. These geometric choices benefit throughput by enabling higher feed stability and improved first-pass quality. Compact dimensions for easy handling and reliable fit With a head Ø32 mm and an overall length of 200 mm, this toolholder is compact enough for confined setups while retaining the reach required for many external turning operations. The moderate mass (approx. 0.725 kg) balances inertia and control, making handling and clamping straightforward during changeovers. The clear clamping holder size: 16 reference supports quick verification when pairing with existing toolposts or holders. Contact Metav Werkzeuge for tailored technical advice and to arrange supply of the Teknik Makina K314TM boring bar—telephone +49 2822 7131930 or e‑mail info@metav-werkzeuge.com Technical data SKU: K314TM ISO designation: S25R SVQBL Brand: Teknik Makina For inserts: VBMT 1604 Cutting direction: left eClass: 21180806 Dimensions & weight Shank Ø: 25 mm Head Ø: 32 mm Overall length: 200 mm Cutting height: 50 mm Weight: 0.725 kg Cutting angle: 107.5° Special features SVQB design for VBMT indexable inserts Clamping holder designation: 16 Left-hand cutting orientation Compact toolholder for turning operations FAQ Which inserts fit this toolholder? The K314TM is designed for VBMT 1604 indexable inserts, providing the correct seat and clamping for this insert type. Is the cutting direction left or right? This toolholder has a left-hand cutting direction, suitable for applications requiring a left-hand approach. What are the key dimensions to check for mounting? Important dimensions: shank Ø 25 mm, head Ø 32 mm, overall length 200 mm and clamping holder designation 16. What is the ISO designation of the toolholder? The tool is specified as S25R SVQBL, which indicates the shank and SVQBL SVQB configuration. Does the tool support heavy roughing cuts? The rigid shank and geometry support stable turning; specific cutting parameters depend on machine and insert choice, so verify with Metav Werkzeuge for application-specific guidance. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar S25R SVUBL For VBMT 1604 Inserts 25mm Shank, 40mm Cutting Height, Left-Hand - Teknik Makina
Take advantage of the combination of rigid shank design, precise insert compatibility and reliable left-hand cutting orientation for stable turning results; order directly via Metav Werkzeuge or consult our specialists for application advice. K286TM boring bar — SVUB for VBMT indexable inserts, left-hand, 25 mm shank (Teknik Makina) The K286TM boring bar is a left-hand turning holder designed for VBMT 1604 indexable inserts, offering a compact 200 mm overall length for tight lathe setups. Left-hand cutting orientation Fits VBMT 1604 indexable inserts 25 mm shank diameter for rigidity ISO S25R SVUBL designation Precision and rigidity for improved surface finish The robust 25 mm shank and 32 mm body diameter combine to deliver structural stability under load, reducing vibration and chatter in demanding turning tasks. With a measured mass of 0.73 kg, the holder balances stiffness and manoeuvrability, making it suitable for medium-duty external operations where consistent form and surface integrity are required. The modest overall length of 200 mm supports access into confined work zones while keeping the tool overhang low, which directly contributes to longer insert life and more predictable cutting performance. Seamless compatibility with VBMT 1604 indexable inserts Designed specifically for VBMT 1604 inserts, the SVUB-style seat and a cutting height of 40 mm ensure correct insert alignment and positive clamping. The ISO designation S25R SVUBL identifies the shank geometry and left-hand orientation, allowing straightforward integration into existing tool setups. Indexable inserts permit rapid replacement and reindexing, which reduces downtime and simplifies inventory management compared with brazed or solid tools. Where insert indexing is required, this holder supports efficient changeover and consistent cutting geometry. Left-hand orientation and cutting angle tuned for turning tasks A cutting direction set to left-hand and a nominal cutting angle of 93° position the geometry for common turning profiles and facing operations on lathes configured for left-hand approaches. The design suits workshops that require tools for specific spindle directions or for operations where access dictates left-hand tooling. The result is a reliable toolholder that offers both predictable chip flow and secure insert retention, minimising the need for frequent adjustments and supporting steady cycle times in production environments. For technical enquiries or to procure the Teknik Makina K286TM holder, contact Metav Werkzeuge in Emmerich for local stock information and application guidance — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data SKU: K286TM Manufacturer: Teknik Makina Designation: Bohrstange / SVUB for VBMT Indexable Inserts ISO designation: S25R SVUBL Facts Shank diameter: 25 mm Cutting height: 40 mm Weight: 0.73 kg Overall length: 200 mm Body diameter: 32 mm Cutting angle: 93° Compatible inserts: VBMT 1604 Cutting direction: left Special features Left-hand cutting orientation For VBMT 1604 indexable inserts ISO S25R SVUBL Clamping size: 16 FAQ Which inserts are compatible with this holder? The K286TM boring bar is compatible with VBMT 1604 indexable inserts; the seat and cutting height are matched to that insert type to ensure correct geometry. Is the tool suitable for left-hand spindle operations? Yes, the holder is configured for left-hand cutting direction and is intended for use in applications requiring left-hand tooling. What does the ISO designation S25R SVUBL indicate? The ISO code S25R SVUBL identifies the shank geometry (25 mm shank) and the SVUB left-hand configuration used by this type of indexable insert holder. How does the 25 mm shank affect performance? A 25 mm shank diameter increases rigidity compared with slimmer holders, reducing overhang-induced vibration and improving surface finish and insert life. Is this holder suitable for confined lathe setups? With an overall length of 200 mm, the K286TM offers a compact footprint for tighter workspaces while maintaining sufficient reach for standard turning tasks. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar S25S MTUNR For TNMG 1604, 25mm Shank 50mm Cutting Height, Right-Hand - Teknik Makina
Benefit from a rigid setup and consistent chip control through the combination of MTUN geometry and a 25 mm shank; the robust 32 mm head diameter and 250 mm overall length improve stability for longer runs — order via Metav Werkzeuge or consult the specialists for tailored advice. MTUN boring bar for TNMG indexable inserts — S25S MTUNR by Teknik Makina, right-hand cutting, 25 mm shank The MTUN boring bar is designed for external turning with TNMG 1604 indexable inserts and provides a compact, rigid solution for stable machining in production and maintenance environments. MTUN geometry for TNMG 1604 inserts Right-hand cutting direction for standard lathes 25 mm shank diameter for high rigidity 32 mm head diameter for vibration damping Stable cutting performance for predictable cycle times The MTUN geometry paired with compatibility for TNMG 1604 inserts delivers targeted chip formation and consistent cutting forces. With a 25 mm shank the toolholder minimises deflection under load, which results in improved part accuracy and fewer rejects. The right-hand cutting orientation suits conventional turning setups and reduces the need for special fixturing. These technical attributes translate into measurable production benefits: less scrap, reduced rework and more predictable machining cycles. Reduced vibration, better surface quality A 32 mm diameter at the head and a 250 mm overall length create a favourable stiffness-to-length ratio, helping to suppress chatter in medium-depth turning operations. The cutting angle 93° and cutting height 50 mm are engineered to support reliable insert seating and contact, which promotes surface finish consistency. Overall mass of 0.952 kg contributes to damping without compromising handling, aiding stable feeds and prolonging insert life through reduced impact loads. Easy integration with existing tooling systems Marked as S25S MTUNR to the ISO-style designation, the boring bar fits standard clamp systems and accepts the common TNMG 1604 family of inserts. A clamp size reference of 16 simplifies matching with holders and adapters already in a workshop. The combination of ISO identification and a familiar insert format makes retrofitting into current toolsets straightforward, lowering setup time and keeping changeover effort to a minimum. Designed for reliable daily use and predictable maintenance Constructed for routine production environments, this toolholder emphasises stability and repeatability. The clear mechanical specification allows process engineers to calculate cutting parameters with confidence and to standardise operations across shifts. When combined with a methodical tool-change schedule, the result is fewer interruptions and a steady output level that supports throughput targets. For technical advice or to arrange supply from our Emmerich quality hub, contact Metav Werkzeuge for personal consultation and fast processing — eMail info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data SKU: K442TM Manufacturer: Teknik Makina Designation: MTUN for TNMG Indexable Inserts ISO designation: S25S MTUNR Facts Shank diameter: 25 mm Overall length: 250 mm Head diameter: 32 mm Cutting height: 50 mm Cutting angle: 93° Weight: 0.952 kg Clamp size reference: 16 Cutting direction: right Special features For TNMG 1604 indexable inserts ISO-compatible designation S25S MTUNR Right-hand cutting orientation Robust shank for reduced deflection FAQ What insert type is recommended for this boring bar? The recommended insert family for the MTUN boring bar K442TM is TNMG 1604, which pairs well with the bar's geometry for stable chip control. What is the shank diameter and why does it matter? A 25 mm shank diameter gives the S25S MTUNR boring bar increased rigidity, reducing deflection and improving dimensional accuracy during cutting. Which cutting direction is supported? This tool supports right-hand cutting; the right-hand orientation is specified in the technical data for consistent lathe set-ups. Can the bar be used with standard clamp holders? Yes, the ISO designation and clamp size reference (16) mean the boring bar is compatible with common clamp holders and adapters in typical tooling systems. What are the advantages of the 32 mm head diameter? The larger 32 mm head diameter improves vibration damping and contributes to better surface finish and longer insert life under comparable cutting conditions. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar S25S PCLNR PCLN for CNMG Indexable Inserts 50mm Cutting Height, Without Coolant - Teknik Makina
Secure reliable, vibration‑reduced turning with a focus on compatibility and stiffness: the combination of a 25 mm shank, a 95° cutting angle and compatibility with CNMG 1204 inserts supports steady chip control and consistent surface finish. Order the tool directly via Metav Werkzeuge or ask our consultants if needed. Bohrstange P340TM — Turning tool holder PCLN for CNMG indexable inserts, 25 mm shank (Teknik Makina) Bohrstange P340TM is a PCLN‑style turning tool holder designed for application with CNMG indexable inserts in right‑hand turning operations, offering a compact 250 mm overall length for stable setups. Right‑hand PCLN holder Shank diameter 25 mm For CNMG 1204 inserts Without internal coolant Consistent insert compatibility for predictable machining The holder is optimised for CNMG 1204 indexable inserts, which are widely used and readily available. Using this standard insert family reduces tooling complexity and shortens changeover times. The PCLN geometry secures the insert on a robust pocket and, combined with the ISO designation S25S PCLNR, ensures a predictable seat and clamping position. This translates into repeatable tool offsets on CNC lathes and fewer adjustments during batch production. Increased stiffness and improved surface quality from robust dimensions With a 25 mm shank and overall length 250 mm, the bar offers a favourable stiffness‑to‑reach ratio for many light to medium turning tasks. The substantial cross‑section helps to damp vibrations, which improves surface finish and extends insert life. The 95° cutting angle provides versatile engagement for facing and light profiling, while the measured mass (0.978 kg) contributes to stability in dynamic cuts without adding unnecessary inertia to the toolpost. Practical setup and machining considerations for efficient use The tool is supplied without internal coolant, so external coolant or flood lubrication should be used where chip evacuation and temperature control are required. The right‑hand cutting orientation and the nominal clamping size 12 make the bar compatible with typical toolposts and clamping systems; the ISO tag S25S PCLNR aids correct selection of holders and adapters. For operations requiring through‑tool coolant, select a dedicated coolant‑capable holder; otherwise, this bar excels for dry or externally cooled finishing and semi‑finishing cuts. For technical availability or to discuss suitability for a specific turning task with Teknik Makina's P340TM, contact Metav Werkzeuge — email info@metav-werkzeuge.com or call +49 2822 7131930 for expert advice and prompt supply. Technical data Article number: P340TM Manufacturer: Teknik Makina Designation: Boring bar / Turning tool holder (PCLN for CNMG indexable inserts) ISO designation: S25S PCLNR Facts Shank diameter: 25 mm Cutting height: 50 mm Weight: 0.978 kg Diameter: 32 mm Overall length: 250 mm Cutting angle: 95° Special features For CNMG 1204 indexable inserts Right‑hand cutting direction Without internal coolant Clamping size 12 ISO designation: S25S PCLNR FAQ Which inserts are compatible with this holder? The P340TM accepts CNMG 1204 indexable inserts and is designed around the CNMG pocket and clamping geometry for secure seating. Is internal coolant supplied through the tool? No — the P340TM is supplied without internal coolant; external flood or mist lubrication is recommended where coolant is needed. What are the shank diameter and overall length? The holder has a 25 mm shank and an overall length of 250 mm, providing a balance between reach and rigidity. Which cutting direction does the bar support? This tool is configured for right‑hand cutting operations (PCLN geometry). What is the ISO designation of the tool? The tool carries the ISO designation S25S PCLNR, which aids selection of compatible holders and adapters. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar S32T 300mm Overall Length, Right-Hand Cut - Teknik Makina
Take advantage of the combination of a rigid 32 mm shank and a 300 mm overall length for stable internal machining and consistent setup accuracy; purchase the tool directly via Metav Werkzeuge or request bespoke advice from their consultants. Bohrstange S32T – 32 mm drill bar, 300 mm overall length by Teknik Makina The Bohrstange S32T is a solid drill bar intended for precision internal machining and compatible with standard insert-style cutter heads in industrial turning and milling setups. 32 mm shank diameter 300 mm overall length 22 mm cutter-head clamping width Right-hand cutting direction Stable rigidity for repeatable internal machining With a 32 mm shank and a 300 mm overall length, the design focuses on stiffness to reduce deflection during internal operations. The mass of 1.79 kg contributes to damping vibrations while maintaining a compact footprint for toolholders, which benefits cycle-time consistency and surface finish quality. Specified dimensions allow planners to verify spindle-to-tool clearances and ensure the bar meets machine-tool envelope constraints before procurement. Secure clamping and standardised fastening to speed setups The bar accepts cutter heads with a 22 mm clamping width and is secured using a Torx T20 fastener paired with an M5x12 screw, providing a familiar and robust fixing method. The standardised Torx interface simplifies torque application and repeatable clamping, reducing setup variability and the need for special tools. A clearly defined clamping interface supports quick changeovers and consistent cutting geometry from one setup to the next. Geometry tuned for predictable cutting behaviour A shallow 3° cutting angle combined with a right-hand cut delivers a conservative entry geometry that moderates cutting forces and supports controlled chip flow in many internal machining tasks. Such geometry is advantageous where minimising chatter and preserving insert life are priorities. The moderate cutting height of 32 mm complements the shallow angle, helping maintain a stable engagement between cutter head and workpiece. Production-ready compatibility and traceable identification Offered under SKU K204TM by Teknik Makina, the tool is designed for straightforward integration into production tool racks and ERP inventories. The ISO designation S32T provides a concise reference for procurement and maintenance records, easing reordering and ensuring traceability across production sites. For technically complex applications, the supplier’s documentation and Metav’s advisory services can assist in matching the bar to the appropriate cutter head and machine configuration. For precision internal machining applications, order the Teknik Makina K204TM drill bar through Metav Werkzeuge — Metav’s specialists in Emmerich are available to advise on selection and compatibility; contact Metav Werkzeuge at info@metav-werkzeuge.com or by phone on +49 2822 7131930 for tailored support. Technical data Article number: K204TM Manufacturer: Teknik Makina Shank diameter: 32 mm Overall length: 300 mm Weight: 1.79 kg Cutting angle: 3° Cutter-head clamping width: 22 mm Cutting direction: right Cutting height: 32 mm ISO designation: S32T SKU: K204TM EClass: 21180806 Label: 32mm Bohrstange L300mm Torx screw: M5x12 (Torx T20) FAQ What is the shank diameter and overall length of the bar? The bar has a 32 mm shank and an overall length of 300 mm, specified under SKU K204TM for straightforward identification. Which fastening standard secures the cutter head? Cutter heads are secured with a Torx T20 drive using an M5x12 screw on the Teknik Makina S32T tool, enabling standard torque application. What cutting geometry does the bar use and why is it relevant? The bar features a 3° cutting angle with a right-hand cut, a geometry chosen to moderate cutting forces and support stable chip formation during internal machining. Can the bar be integrated into existing tool racks and inventories? Yes; the drill bar is listed as K204TM and bears the ISO designation S32T, facilitating inventory management and reordering across production sites. Is the clamping width compatible with standard cutter heads? The tool is specified for cutter heads with a 22 mm clamping width, a common dimension for indexable insert-style heads used in industrial turning and boring applications. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar SCLC For CC-- 09T3 Indexable Inserts, 25mm Shank 40mm Cutting Height, Left-Hand - Teknik Makina
Take advantage of the combination of precise ISO mounting, compatibility with CC-- 09T3 indexable inserts and a robust S25R SCLCL design to reduce setup time and keep cycle times consistent; order the tool directly via Metav Werkzeuge or consult the team for specification support. Boring bar SCLC for CC-- indexable inserts — 25 mm shank, 200 mm overall — Teknik Makina Boring bar SCLC for CC-- indexable inserts — a left-hand, ISO S25R SCLCL holder for turning operations, designed for CC-- 09T3 inserts and stable set-ups S25R SCLCL ISO designation for stability 25 mm shank diameter for standard holders Compatible with CC-- 09T3 indexable inserts Left-hand cutting with 95° cutting angle Precision mounting and fast set-up for production runs The S25R SCLCL design provides a compact, standardised mounting format that shortens tool-change procedures and keeps fixture tolerances consistent across batches. With a 25 mm shank and 200 mm overall length, the holder mates with conventional toolposts and clamping systems; compatibility with CC-- 09T3 indexable inserts means insert swaps are straightforward and inventory can be standardised. These attributes translate into measurable reductions in downtime and improved repeatability on turning centres. Rigid geometry that stabilises cutting and reduces vibration A robust body diameter of Ø32 mm combined with a 95° cutting angle and 40 mm cutting height gives the holder inherent stiffness for interrupted cuts and heavier feeds. The unit weight of 0.78 kg contributes to a lower overhang moment in many installations, helping to suppress chatter without overcompensating with machine power. The left-hand cutting orientation is provided for compatibility with specific clamping and toolpath strategies where a left-hand approach is required. Clear compatibility and practical mounting information The holder is specified for CC-- 09T3 inserts and uses the industry-standard 09 clamping format, allowing straightforward selection of indexable tips and spare parts. The ISO label S25R SCLCL identifies the shank size and head configuration, which assists procurement and CAD library entries. For workshops consolidating tooling lists, this holder offers a predictable interface for insert suppliers and a compact way to standardise turning equipment across machines. Contact Metav Werkzeuge for tailored specification advice on Teknik Cutting Tools boring bars — request delivery from Emmerich or discuss compatibility with existing toolposts by eMail at info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical Data SKU: K246TM Brand: Teknik Makina ISO designation: S25R SCLCL For indexable inserts: CC-- 09T3 Cutting direction: left Facts Shank diameter: 25 mm Overall length: 200 mm Body diameter: 32 mm Cutting height: 40 mm Cutting angle: 95° Weight: 0.78 kg ECLASS: 21180806 Special features SCLC for CC-- indexable inserts Klemmhalter / clamping size: 09 Left-hand orientation for specific turning set-ups Robust holder geometry for reduced vibration FAQ What insert type fits this boring bar? The K246TM is specified for CC-- 09T3 indexable inserts; the S25R SCLCL ISO designation on the holder ensures direct compatibility with that insert family. Is the holder suitable for standard toolposts? Yes — the 25 mm shank and S25R SCLCL format of the K246TM match common clamping systems and allow straightforward mounting in standard toolposts. What does left-hand cutting mean for set-up? Left-hand cutting indicates the cutting orientation of the tool; the K246TM from Teknik Cutting Tools is designed for operations where a left-hand approach is required by the machining strategy or the turret configuration. Can the holder reduce vibration on longer overhangs? The combination of Ø32 mm body diameter, 95° cutting angle and a moderate weight of 0.78 kg improves rigidity and can reduce chatter compared with slimmer holders when overhangs are similar. Which ISO designation identifies the holder geometry? The ISO label S25R SCLCL on the K246TM identifies shank diameter, head style and clamping arrangement, aiding correct selection and documentation. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah. 422 Nolu Sokak No:9, Selcuklu/KONYA/TURKEY; Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar SCLC For CC-- Indexable Inserts, Internal Coolant, 25mm Shank - Teknik Makina
Take advantage of the combination of left-hand A25R SCLCL geometry, internal coolant, and compatibility with CC-- 09T3 indexable inserts for stable, repeatable turning operations — order the boring bar directly via Metav Werkzeuge or consult our technical advisors for application matching Boring Bar KA246TM — SCLC for CC-- Indexable Inserts with internal coolant The Boring Bar KA246TM is a left-hand, ISO A25R SCLCL indexable insert holder designed for external turning and light boring tasks, optimised for CC-- 09T3 inserts and equipped for through-tool cooling Internal through-coolant supply Compatible with CC-- 09T3 inserts 95° cutting angle for stable cutting Ø 32 mm shank, 200 mm overall length Increased process stability through geometry and rigidity The holder's A25R SCLCL geometry and a 95° cutting angle combine to reduce vibration and improve surface finish during turning. A robust body diameter of Ø 32 mm together with a shaft Ø25 mm provides the necessary rigidity to keep the cutting edge in the correct position, which translates into higher dimensional accuracy and fewer reworks. For batch production or precision single-part runs, the toolholder design supports consistent chip formation and predictable tool life, lowering downtime and increasing machine uptime. Effective cooling and controlled chip evacuation for longer tool life Equipped with internal coolant, the holder directs coolant close to the cutting zone to improve heat management and assist chip control when using indexable inserts of type CC-- 09T3. This targeted coolant delivery helps maintain cutting-edge integrity at higher speeds and supports more aggressive cutting strategies where appropriate. The compatible insert format and the tool’s clamping arrangement simplify insert changes and maintain repeatability of the cutting edge position, contributing to lower tooling costs over time. Practical dimensions and handling for workshop integration The toolholder’s 200 mm overall length and a cutting height of 40 mm make it straightforward to integrate into standard lathe setups while maintaining a compact footprint. With a measured weight of 0.734 kg, the component is easy to handle during tool changes yet substantial enough to aid vibration damping. Left-hand cut orientation is already configured, simplifying set-up for operations that require a left-hand approach. The holder is supplied in the ISO form A25R SCLCL, ensuring compatibility with common turret and tool-post arrangements where this standard is accepted. For machining that requires internal coolant and CC-- 09T3 compatibility, contact Metav Werkzeuge in Emmerich for specification advice at info@metav-werkzeuge.com or +49 2822 7131930 Technical Data Article number: KA246TM Manufacturer: Teknik Makina ISO designation: A25R SCLCL Product type: SCLC for CC-- Indexable Inserts SKU: KA246TM Facts Diameter: 32 mm Shaft diameter: 25 mm Cutting height: 40 mm Overall length: 200 mm Weight: 0.734 kg Cutting direction: left Cutting angle: 95° Compatible inserts: CC-- 09T3 Internal coolant: yes Special features SCLC for CC-- indexable inserts ISO A25R SCLCL holder form Left-hand cutting configuration Through-tool coolant provision FAQ Which insert format fits the tool holder? The Teknik Cutting Tools boring bar KA246TM is designed for CC-- 09T3 indexable inserts; the clamping and seat geometry match that insert format for secure fixation and repeatable positioning. Does the KA246TM supply coolant to the cutting edge? Yes, the KA246TM features internal coolant to deliver cutting fluid directly to the cutting zone, improving heat control and chip evacuation when used with CC-- 09T3 inserts. Is the cutting direction left-hand or right-hand? The holder is configured for left-hand cutting; the left-hand orientation suits operations that require inserts to cut in a leftward feed direction. What are the key dimensions for mounting and setup? The KA246TM has an outer diameter of 32 mm, a shaft diameter of 25 mm, an overall length of 200 mm and a cutting height of 40 mm, with a weight of 0.734 kg for handling and balance considerations. For which operations is this holder intended? This indexable insert holder is intended for external turning and light boring tasks where CC-- 09T3 inserts and through-coolant capability are required; it is optimised for stable finishing and repeatable machining results. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
32mm Boring Bar SDUCL A25R, Internal Coolant, Left-Hand 40mm Cutting Height - Teknik Makina
Take advantage of a left‑hand configuration with internal coolant and compatibility for DC-- 11T3 indexable inserts to streamline setup and improve tool life; benefit from the compact Ø32 mm body and 200 mm overall length for reliable integration on CNC turning centres — order this item via Metav Werkzeuge or contact our consultants for application support. Boring bar A25R SDUCL – indexable insert holder with internal coolant, left‑hand cut (Teknik Cutting Tools) The A25R SDUCL boring bar provides secure clamping of indexable inserts for turning and boring operations on CNC lathes, combining a compact diameter with coolant‑through performance for controlled machining. Internal coolant for improved cooling and chip flow Suitable for DC-- 11T3 indexable inserts Left‑hand cut configuration (A25R SDUCL) Ø32 mm diameter, 200 mm overall length Faster integration through clear dimensions and ISO conformity The tool holder is designed with a 25 mm shank and a 200 mm overall length, which simplifies fixture planning and reduces setup time on production lathes. The ISO designation A25R SDUCL indicates a standardised mounting and a left‑hand cutting orientation, making it straightforward to document in NC programmes and tool lists. With a cutting height of 40 mm and precisely defined geometry, the holder supports predictable insert positioning so that repeatability and cycle stability are improved. These measurable specifications enable planners and machinists to calculate reach and clearance without guesswork. Coolant‑through design that extends insert life and improves surface quality Equipped with internal coolant, the holder directs lubricant and coolant to the cutting zone, helping to reduce thermal load and evacuate chips efficiently. This feature supports longer insert life and steadier cutting conditions, particularly in continuous or high‑feed boring operations. The controlled cooling reduces edge wear and contributes to more consistent surface finishes, which helps to lower rework rates and supports throughput targets. The component’s modest mass of 0.746 kg also contributes to dynamic stability in high‑speed indexing and reduces inertial loads during rapid tool changes. Robust geometry for dependable machining results A 93° cutting angle and the compatibility with DC-- 11T3 indexable inserts provide a balanced cutting profile suitable for many turning and boring tasks where finish and dimensional control matter. The Ø32 mm body helps to resist bending under cut, while the secure clamping arrangement minimises insert movement during interrupted cuts. As an indexable insert holder, the design focuses on serviceability: insert replacement is fast and repeatable, reducing downtime. The combination of standardised insert format and coolant capability makes this tool holder a practical choice for workshops seeking reliable, repeatable performance on serial and batch production. For a technical assessment or to secure reliable supply of Teknik Cutting Tools' A25R SDUCL boring bar, contact Metav Werkzeuge for specialist advice and fast delivery from Emmerich: call +49 2822 7131930 or email info@metav-werkzeuge.com Technical data SKU: KA262TM Manufacturer: Teknik Makina Product designation: Bohrstange / boring bar Type: SDUC for DC-- Indexable Inserts ISO designation: A25R SDUCL Facts Diameter: 32 mm Overall length: 200 mm Shank diameter: 25 mm Cutting height: 40 mm Weight: 0.746 kg Cutting angle: 93° Special features Internal coolant: yes For indexable inserts: DC-- 11T3 Cutting direction: left Bohrstange designation: A25R SDUCL FAQ Which inserts are compatible with this tool holder? The A25R SDUCL boring bar is designed for DC-- 11T3 indexable inserts; use inserts specified as DC-- 11T3 for correct fit and secure clamping. Is coolant‑through machining supported? Yes — the holder features internal coolant, enabling directed coolant to the cutting edge for improved tool life and chip control. Why is the tool specified as left‑hand? The left‑hand cutting orientation (A25R SDUCL) means the cutting action is intended for left‑hand toolpaths; this should be matched to the lathe programme and workholding arrangement. What mounting and size data aid setup on the machine? Key setup dimensions include a 25 mm shank, Ø32 mm body and 200 mm overall length, which facilitate fixture planning and CNC tool table entry. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar STFC for TCMT 16T3 Inserts 25mm Shank, 40mm Cutting Height, Internal Coolant - Teknik Makina
A robust combination of internal cooling, precise left-hand geometry and compatibility with TCMT 16T3 inserts delivers stable turning and reliable chip control; order directly via Metav Werkzeuge or ask the consultants for application advice. Boring Bar STFC for TCMT Indexable Inserts (A20Q STFCL) — Left-hand, Internal Cooling by Teknik Makina Boring Bar STFC for TCMT Indexable Inserts — a left-hand toolholder designed for secure clamping and effective coolant-fed machining in turning operations Internal cooling for effective chip evacuation Compatible with TCMT 16T3 indexable inserts Left-hand cutting direction for specialised use 25 mm shank diameter for rigid clamping Stable machining through rigid design and geometry The A20Q STFCL configuration combines a 25 mm shank with a 32 mm body diameter and a 200 mm overall length, producing a rigid toolholder that minimises vibration during heavy cuts. This structural stability translates into more consistent surface finish and longer tool life, as lower deflection reduces insert wear. The 90° cutting angle supports square shoulder operations and reliable profile accuracy, making the tool suitable for production runs where repeatability matters. Cost-efficient insert strategy and wide compatibility Designed to accept TCMT 16T3 indexable inserts, the toolholder enables a predictable and economical replacement cycle. Indexable inserts allow the cutter to be rotated or replaced rapidly, reducing machine downtime and inventory complexity. For workshops moving from brazed tooling to indexable systems, the adapter-style approach of this holder simplifies stock management while maintaining high material removal rates and dimensional control. Superior chip control with internal coolant The integrated internal cooling channel directs coolant towards the cutting edge, improving chip breaking and evacuation in interrupted or continuous cuts. This feature reduces heat at the cutting zone, which helps maintain insert edge integrity and supports more aggressive cutting parameters where appropriate. Combined with the left-hand cutting direction, the coolant-fed arrangement gives clear advantages in operations that demand controlled chip flow and enhanced tool-edge cooling. Simple integration and reliable specification The holder is identified as A20Q STFCL, an ISO-related designation that eases toolholder selection and machine setup. At approximately 0.754 kg, the tool balances robustness with manageable handling during tool changes. Compatibility with standard TCMT inserts and the clear ISO-style labelling make it straightforward to document in tooling lists and to position within an existing turning cell, supporting faster changeovers and consistent assembly at the turret. Speak to Metav Werkzeuge about Teknik Makina tooling to verify fitment and cutting strategy for specific materials; contact via info@metav-werkzeuge.com or call +49 2822 7131930 for tailored advice Technical data Article number: KA187TM Manufacturer: Teknik Makina Product name (EN): STFC for TCMT Indexable Inserts ISO designation: A20Q STFCL Suitable for inserts: TCMT 16T3 Facts Shank diameter: 25 mm Body diameter: 32 mm Overall length: 200 mm Cutting height: 40 mm Weight: 0.754 kg Cutting angle: 90° Features Cutting direction: left Internal cooling: yes Compatible insert size: TCMT 16T3 Designation (EN): STFC for TCMT Indexable Inserts FAQ What insert type fits this toolholder? The holder accepts TCMT 16T3 indexable inserts; this compatibility is specified for the STFC configuration and supports standard insert clamping. Is coolant supply supported for better chip control? Yes — internal cooling is provided to feed coolant directly to the cutting edge, improving chip evacuation and edge life in the Teknik Makina boring bar. Which cutting direction is intended for this tool? This toolholder is configured for a left-hand cutting direction, suitable for operations and machine setups that require reverse-side turning or specific toolpath geometries. How does the shank size influence performance? The 25 mm shank diameter increases clamping rigidity and reduces vibration, enabling more stable machining and improved surface finish with consistent insert life. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar STFC for TCMT Indexable Inserts 25mm Shank, 40mm Cutting Height, Left-Hand - Teknik Makina
Take advantage of a precision S25R STFCL boring bar designed for stable facing and reliable insert clamping; its compatibility with TCMT 16T3 indexable inserts and a compact shank Ø25 mm make it a practical choice for consistent cycle times and predictable surface finishes. Order the tool via Metav Werkzeuge or consult the specialists for application advice. S25R STFCL boring bar – STFC for TCMT indexable inserts by Teknik Makina S25R STFCL is a robust boring bar intended for facing and light turning with TCMT-style indexable inserts; ideal for left-hand operations and workshop CNC lathes Built for TCMT 16T3 indexable inserts Left-hand cutting orientation 90° cutting angle ideal for facing operations Shank diameter 25 mm, ISO S25R STFCL Stable design for repeatable facing and turning results The bar has been engineered to provide rigidity and predictable cutting behaviour when used with indexable inserts, reducing vibration and improving surface quality on each pass. With a 90° cutting angle, the tool is optimised for facing and shoulder work, allowing shops to maintain dimensional control without excessive tool offsets. The solid specification and the shank Ø25 mm combine to give a compact, stable toolholder that is straightforward to mount and to programme into process lists, supporting faster set-up times and consistent part quality. Compatibility that simplifies tooling logistics Designed specifically for TCMT 16T3 inserts and identified by the ISO designation S25R STFCL, this boring bar simplifies procurement and tool-change routines in mixed fleets. The left-hand cutting orientation is suitable for left-hand tool positions and reverse-direction operations, while the moderate overall length of 200 mm and diameter 32 mm keep overhang low to preserve stiffness. At a weight of 0.773 kg, the bar is easy to handle for manual set-up without sacrificing mass where it matters for damping cutting forces. Practical benefits for workshops and production environments For small to medium-sized turning centres and precision workshops, the bar reduces downtime through straightforward insert seating and a standardised interface to TCMT inserts. The combination of ISO conformity, compact geometry and a clear-cut 90° profile means fewer trial cuts and quicker process validation. Metav’s stock in Emmerich supports fast supply to European customers, backed by a broad portfolio that helps to consolidate suppliers and simplify reordering for production continuity. Contact Metav Werkzeuge for tailored advice on integrating the Teknik Cutting Tools S25R STFCL boring bar (SKU K188TM) into existing tool lists and to secure immediate delivery from our Emmerich warehouse Technical data Article number: K188TM Brand: Teknik Makina ISO designation: S25R STFCL Product type: STFC for TCMT indexable inserts Dimensions and weights Shank diameter: 25 mm Overall length: 200 mm Diameter: 32 mm Cutting height: 40 mm Weight: 0.773 kg Cutting angle: 90° Features and suitability Compatible inserts: TCMT 16T3 Cutting direction: left-hand Intended use: facing and light turning with indexable inserts Suitable for CNC lathes and turning centres SKU: K188TM FAQ Which insert type fits this boring bar? The boring bar accepts TCMT 16T3 indexable inserts; use the specified TCMT geometry to ensure correct seating and chip flow. Is the tool suitable for right- or left-hand operations? This bar is configured for left-hand cutting and is intended for left-hand tool positions and operations that require a left-hand approach. What are the main machine applications for this bar? The S25R STFCL boring bar is designed for facing and light turning tasks on CNC lathes and turning centres where indexable inserts are preferred for repeatable production. How does the 90° cutting angle benefit production? A 90° cutting angle produces square shoulders and flat faces with minimal tool deflection, simplifying fixture design and reducing the need for secondary finishing. What should be considered for set-up and programming? When programming, account for the shank Ø25 mm, 200 mm overall length and left-hand orientation to maintain correct tool offsets and to limit overhang for best rigidity. Manufacturer / Responsible: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar STFC for TCMT Indexable Inserts 25mm Shank, Internal Coolant, 90° Cutting Angle - Teknik Makina
Take advantage of a stable, production-ready tool with through‑coolant delivery and precise compatibility for TCMT 16T3 indexable inserts; the combination of a 25 mm shank and a 32 mm body diameter delivers improved rigidity and repeatable turning results. Order directly via Metav Werkzeuge or consult our tooling specialists for application-specific advice. Boring bar — STFC for TCMT Indexable Inserts (A20Q STFCR) by Teknik Makina, through‑coolant A boring bar (A20Q STFCR) designed for right‑hand turning operations with TCMT 16T3 indexable inserts, offering internal coolant and a compact 200 mm overall length for stable machining in turning centres Precision boring bar for TCMT 16T3 inserts Through‑coolant supply for improved chip control 25 mm shank with 32 mm body diameter Right‑hand cutting, 200 mm overall length Stable support for repeatable turning results A rigid toolholder is essential for consistent bore finishes and dimensional accuracy. With a 25 mm shank and 32 mm diameter body, this tool delivers the stability required for bore tolerances and surface integrity in interrupted or continuous cuts. Compatibility with TCMT 16T3 indexable inserts means users benefit from widely available insert grades and geometries; indexable inserts allow fast edge changes without regrinding, reducing downtime and maintaining process capability. The 90° cutting geometry contributes to predictable cutting forces and straightforward insert seat alignment, which aids repeatability on production runs. Improved chip evacuation and tool life with through‑coolant Controlled coolant delivery protects the cutting edge and enhances chip evacuation. The integrated internal coolant channel directs fluid to the cutting zone, lowering cutting temperatures and flushing chips away from the insert pocket. This results in longer insert life and a more reliable surface finish, particularly in demanding materials or when using higher feeds. For right‑hand machining operations the coolant path and clamping arrangement are optimised to support consistent chip flow and reduce the risk of chip buildup around the insert seat. Quick integration and predictable setup for turning centres Designed to ISO toolholder conventions as A20Q STFCR, the bar is straightforward to register in tool lists and tool management systems. The 200 mm overall length balances accessibility in tight setups with sufficient overhang for most bore depths, while a mass of 0.754 kg keeps tool inertia manageable on high‑speed spindles. The unit fits clamping arrangements sized to 16 and accepts standard TCMT 16T3 inserts, simplifying fixture planning and spare stocking. For shops aiming to reduce set‑up complexity and increase machine uptime, this holder offers a reliable combination of familiar insert format and compact dimensions. Contact Metav Werkzeuge today for tailored application advice and to source the Teknik Makina A20Q STFCR boring bar with through‑coolant — our experts in Emmerich will recommend the best insert grades and clamping solutions for the intended material and cycle time. Technical data SKU: KA164TM ISO designation: A20Q STFCR For inserts: TCMT 16T3 Brand: Teknik Makina Facts Diameter: 32 mm Overall length: 200 mm Shank diameter: 25 mm Cutting height: 40 mm Weight: 0.754 kg Cutting angle: 90° Special features Internal coolant (through‑coolant) Right‑hand cutting Clamping size: 16 STFC style holder for indexable inserts FAQ What insert type does this tool accept? The tool accepts TCMT 16T3 indexable inserts; the boring bar is designed for that insert size to ensure correct seating and reliable chip control. Is cooling internal or external with this holder? Internal cooling is provided — the through‑coolant design delivers cutting fluid directly to the insert seat for better heat control and chip evacuation. Can the bar be used for left‑hand turning? This particular holder is configured for right‑hand cutting; left‑hand operations require a left‑hand equivalent to maintain correct geometry. What is the ISO designation for tool inventory and setup? The holder is specified as A20Q STFCR, which can be entered into tool management systems for consistent setup and traceability. Which brand and SKU should be quoted when ordering? Quote Teknik Makina, SKU KA164TM, when enquiring about this STFC boring bar to ensure the correct product is supplied. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Boring Bar STI for IR/ER Indexable Inserts 25mm Shank, 40mm Cutting Height - Teknik Makina
Take advantage of the combination of stable shank Ø25 mm, compatibility with IR/ER indexable inserts (22 IR) and an overall length of 200 mm for dependable deep-reach boring; order the STI boring bar directly via Metav Werkzeuge or consult our advisors for application support. Bohrstange K359TM – STI boring bar for IR/ER indexable inserts, shank Ø25 mm A robust Bohrstange K359TM designed for right-hand cutting and engineered to accept IR22 clamping for precision internal boring. Indexable-insert holder for IR/ER systems Shank Ø25 mm for stable clamping Overall length 200 mm for deep reach Compatible with 22 IR inserts and IR22 holder Increased process reliability for internal machining The STI boring bar offers a clear production advantage through its indexable inserts compatibility and compact design. With a shank Ø25 mm, the holder improves rigidity at the tool–spindle interface, reducing vibration and promoting consistent bore geometry. The right-hand cutting orientation together with the tooling geometry supports predictable chip flow and stable cutting conditions. These technical attributes translate into fewer reworks and a steadier machining cycle, which is essential when reproducible internal diameters are required. Precision where depth and clearance matter Designed with an overall length of 200 mm and a body diameter 32 mm, the bar allows access to deeper bores while maintaining lateral stiffness. The cutting height 40 mm defines the effective insert seating and is matched to common IR/ER inserts, ensuring correct chip control and repeatable seat height after index changes. The component mass of 0.757 kg contributes to balanced rotation and reduces the risk of chatter in medium-duty applications. For set-ups that demand exact axial positioning and minimal runout, this geometry offers a pragmatic balance between reach and rigidity. Simple integration and short set-up times The STI design is compatible with standard IR22 clamping systems and is supplied in an industry-recognised ISO format (S25R STIR), which eases tool change and programming routines across multiple machines. The modular approach of using indexable inserts minimises downtime because insert changes are quick, and insert re-indexing restores cutting parameters without complete tool replacement. For production planners, this means shorter set-up intervals and predictable tool life cycles — a measurable gain for throughput and cost-efficiency. Contact Metav Werkzeuge for an order recommendation or technical consultation on integrating the STI holder into production; email info@metav-werkzeuge.com or call +49 2822 7131930 for guidance and availability Technical data Article number: K359TM Manufacturer: Teknik Makina ISO designation: S25R STIR SKU: K359TM Facts Shank diameter: 25 mm Cutting height: 40 mm Diameter: 32 mm Overall length: 200 mm Weight: 0.757 kg Cutting direction: right Special features For IR/ER indexable inserts (STI for IR/ER Indexable Inserts) Suitable for 22 IR inserts Clamping holder reference: IR22 FAQ Which insert types fit this holder? The holder accepts 22 IR indexable inserts and is specified for IR/ER systems; compatibility is given by the STI design and the IR22 clamping reference. Is the tool suitable for deep internal boring applications? Yes, the overall length of 200 mm and the 32 mm body diameter provide improved reach while maintaining rigidity for moderate-depth internal work. What does the ISO designation S25R STIR indicate? The ISO code describes the shank and holder geometry; S25R STIR denotes the shank series and right-hand orientation suitable for standardised clamping systems. How does the shank diameter affect performance? A shank Ø25 mm increases clamping stability, which reduces vibration and enhances dimensional repeatability compared with thinner shanks. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm DCLN Drilling Bar Left Cut 95° 250mm Overall Length 50mm Cutting Height - Teknik Makina
Take advantage of the combination of precise geometry, proven compatibility with CN-- 1204 inserts and a rigid 25 mm shank for stable internal turning; order the S25S DCLNL boring bar directly via Metav Werkzeuge or ask our consultants if needed. S25S DCLNL boring bar — DCLN for CN-- indexable inserts, left‑hand cutting (Teknik Makina) S25S DCLNL boring bar is a left‑hand internal turning tool engineered for CN-- 1204 indexable inserts, offering extended reach and consistent chip control in medium‑duty turning operations Left‑hand cutting for internal turning Fits CN-- 1204 indexable inserts 25 mm shank diameter for stability 250 mm overall length for extended reach Accurate geometry for predictable results The S25S DCLNL is designed with a 95° cutting angle and a defined cutting height of 50 mm, which together enable consistent engagement of the insert and predictable material removal. These geometric parameters reduce deflection during interrupted cuts and help maintain repeatable bore tolerances. In practical terms, the combination of left‑hand cutting geometry and the DCLN head form means the tool is optimised for internal turning where chip flow and tool orientation must be controlled. For operations that require dependable bore quality, this configuration supports stable tool life and process reliability. Robust shank and reach for vibration control With a 25 mm shank diameter and 250 mm overall length, the bar balances reach and stiffness to limit chatter in deep bores. The solid shank is the main contributor to stability, while the external diameter of 32 mm provides clearance and support where required. The bar’s mass of 0.964 kg contributes to dampening minor vibrations without excess weight that would compromise turret dynamics. For workshops looking to extend effective cutting depth without swapping to larger tooling, this boring bar offers a pragmatic compromise between rigidity and accessibility. Simple insert management and quick set‑up This boring bar is specified for CN-- 1204 indexable inserts, a widely used insert family that simplifies inventory and changeover. Indexable inserts provide repeatable cutting edges, and the DCLN pocket allows secure clamping and consistent positioning of the insert. For users unfamiliar with exchangeable‑edge tooling: an indexable insert is a replaceable cutting tip which is clamped into the toolholder; once an edge is worn it is indexed or replaced, restoring cutting performance without regrinding. The ISO designation S25S DCLNL identifies the shank and head form for correct turret and holder matching. Practical benefits in the workshop When fitted into a turret with the appropriate 25 mm holder clearance, the tool delivers stable internal turning with reduced downtime for insert changes. The left‑hand orientation should be selected where the tool approach and spindle rotation require that direction for optimal cutting. The compact balance of diameter, shank and length makes the bar suitable for many conventional lathes and CNC turning centres where medium‑reach internal operations are common. Clear numerical specifications aid planning: shank, length, diameter and cutting angle are provided so setup and collision checks can be performed before cutting. Choose Teknik Makina’s S25S DCLNL boring bar for consistent internal turning performance — contact Metav Werkzeuge for bespoke advice and reliable supply from Emmerich: info@metav-werkzeuge.com / +49 2822 7131930 Technical data Article number: K480TM Manufacturer: Teknik Makina ISO designation: S25S DCLNL Type: DCLN for CN-- indexable inserts Facts Shank diameter: 25 mm Overall length: 250 mm Diameter: 32 mm Cutting height: 50 mm Weight: 0.964 kg Cutting angle: 95° Special features Left‑hand cutting direction Compatible with CN-- 1204 inserts Suitable for internal turning ISO designation S25S DCLNL FAQ Which inserts fit this boring bar? The S25S DCLNL boring bar is specified for CN-- 1204 indexable inserts; select the CN-- 1204 grade and geometry that match the workpiece material and cutting conditions. What dimensions are critical for setup? Check the 25 mm shank diameter, 250 mm overall length, 32 mm tool diameter and 50 mm cutting height to ensure holder clearance and correct insert projection during setup. Is the cutting direction left or right? This tool is configured for left‑hand cutting, which must match the intended tool approach and spindle rotation for safe, effective machining. Which machines can use the K480TM tool? The K480TM boring bar is suitable for lathes and CNC turning centres that accept 25 mm shank tooling and provide the required turret or holder for DCLN‑style heads. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Drill Bar S25R SD-CR For DC-- 11T3 Indexable Inserts, 62.5° Cutting Angle - Teknik Makina
Take advantage of a robust combination of secure clamping and insert compatibility for consistent boring performance; the compact S25R SD-CR design shortens set-up time and stabilises cuts. Order the tool directly via Metav Werkzeuge or ask their consultants for application support. S25R SD-CR Boring Bar — 25 mm shank, SD-CR system for DC-- 11T3 inserts | Teknik Makina The S25R SD-CR boring bar is a precision CNC tool designed for internal machining with indexable inserts, suitable for right-hand cutting operations in production and workshop environments SD-CR system for DC-- 11T3 inserts 25 mm shank for secure clamping 200 mm overall length, 32 mm diameter 62.5° cutting angle for stable cuts Stable cutting performance that reduces rework The bar's core advantage is cutting stability: the combination of a 25 mm shank and a 62.5° cutting angle reduces vibration and distributes cutting forces more evenly, which leads to improved surface finish and fewer rejected parts. Designed for consistent material removal, this tool is particularly effective where dimensional repeatability matters. The right-hand cutting geometry supports conventional boring cycles and is well suited to automated machining sequences, improving throughput without compromising accuracy. Faster insert changes and predictable productivity Compatibility with indexable inserts DC-- 11T3 and the SD-CR clamping system yields quick, repeatable insert seating and secure retention. A 45 mm cutting height provides sufficient engagement for deeper passes while allowing straightforward insert indexing to restore cutting edges without lengthy downtime. The practical result is less machine idle time and a predictable process window — a rational efficiency gain that pays off across repeated production runs. Built for workshop reliability and supply-chain confidence With a compact 200 mm overall length, a tool diameter of 32 mm, and a mass of 0.771 kg, this boring bar balances rigidity with manageable handling during set-up. The product is listed under SKU K176TM and carries the ISO designation S25R SD-CR, ensuring clear identification for procurement and inventory. Supplied through Metav Werkzeuge, customers benefit from a European quality filter and dependable logistics that support uninterrupted operations; this translates into reliable delivery and consistent tool performance on the shop floor. Contact Metav Werkzeuge for tailored technical advice on the Teknik Cutting Tools S25R SD-CR boring bar (K176TM); call +49 2822 7131930 or email info@metav-werkzeuge.com to discuss specifications and supply from Emmerich. Technical Data Article number: K176TM Manufacturer: Teknik Makina Model designation: S25R SD-CR Product name: Boring bar / SD-CR for DC-- indexable inserts Facts Shank diameter: 25 mm Cutting height: 45 mm Overall length: 200 mm Tool diameter: 32 mm Weight: 0.771 kg Cutting angle: 62.5° Cutting direction: Right-hand Special features Compatible with indexable inserts DC-- 11T3 ISO: S25R SD-CR SD-CR clamping system Suitable for CNC boring applications FAQ Which inserts are compatible with this boring bar? The S25R SD-CR boring bar is compatible with DC-- 11T3 indexable inserts; the SD-CR clamping system secures the insert for stable cutting and simple indexing. Is the tool suitable for right-hand machining cycles? Yes — the tool is configured for right-hand cutting direction, optimised for conventional boring cycles and CNC lathe or machining centre applications. What are the key dimensions to consider when setting up the tool? Key dimensions: 25 mm shank diameter, 200 mm overall length, 32 mm tool diameter and 45 mm cutting height; the SKU is K176TM for ordering and inventory. How does the 62.5° cutting angle influence machining? A 62.5° cutting angle improves chip flow and reduces radial cutting forces, which increases stability during boring and supports better surface quality with less risk of chatter. Can this tool be used for automated production runs? Yes — the S25R SD-CR by Teknik Makina is designed for repeatable insert seating and secure clamping, making it suitable for automated or high-volume machining where process reliability is required. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Drill Bar S25R SDQCR For DC-- 11T3 Indexable Inserts, 107.5° Cutting Angle - Teknik Makina
Benefit from the combination of a rigid 25 mm shank and SDQC insert clamping for reduced vibration and reliable repeatability; the 32 mm diameter and 200 mm overall length enable deeper internal turning with stable cutting. Order the boring bar directly via Metav Werkzeuge or consult Metav's specialists for application guidance. Boring Bar S25R SDQCR by Teknik Makina – SDQC holder for DC-- 11T3 indexable inserts, 25 mm shank A Boring Bar S25R SDQCR tailored for right-hand internal turning with SDQC clamping for DC-- 11T3 indexable inserts, optimised for workshop throughput and secure mounting 25 mm shank diameter for secure clamping Compatible with DC-- 11T3 indexable inserts 200 mm overall length for deep boring Reduced vibration through a rigid shank and secure mounting The S25R SDQCR designation identifies a holder with a 25 mm shank intended for stable toolpost mounting. A rigid shank reduces chatter and improves surface finish by keeping the cutting geometry constant under load. With a compact mass of 0.748 kg, the tool balances stiffness with manageable handling; the result is fewer interrupted passes and a more predictable process when machining internal bores. This technical stability supports consistent component quality and lowers scrap rates. Faster indexable insert changes for less downtime The SDQC clamping system is designed specifically for use with DC-- 11T3 indexable inserts, enabling quick and repeatable insert replacement. Compatible insert seating ensures secure fixation without prolonged adjustment, which shortens maintenance intervals and increases machine uptime. By choosing an indexable solution, workshops reduce per-part tooling costs and simplify logistics for consumables, turning changeover efficiency into a measurable productivity gain. Geometry that promotes reliable cutting and tool life A cutting angle of 107.5° and a cutting edge height of 40 mm contribute to a controlled cutting action and effective chip formation. These geometric characteristics help distribute cutting forces over the insert, reducing local overload and supporting longer insert life under comparable conditions. Clear chip flow and predictable contact angles lead to fewer surface defects and more consistent tolerance attainment on internal diameters. Reach and access for demanding internal turning With a 32 mm diameter and 200 mm overall length, the bar is suited to applications that require extended reach into workpieces while maintaining a secure connection to the toolholder. The dimensional combination allows for deeper internal operations without sacrificing the mechanical connection at the shank, which is essential for achieving concentricity and repeatable bore geometry in serial production or repair work. Machine compatibility and orientation guidance This tool is configured for right-hand cutting and requires a toolpost or turret that accepts a 25 mm shank. The standard ISO-style designation simplifies selection for integration into existing turning centres and CNC lathes. Prior to installation, verify that the machine set-up allows for the required clearance and that the insert seating aligns with the SDQC pocket to ensure full indexability and correct cutting geometry. Handling advice and operational best practice The bar's moderate weight and compact form make handling straightforward, but correct clamping is critical: ensure the shank is firmly seated and the clamping screws are torqued according to the insert and toolholder recommendations. Regular inspection of insert seating and clean contact faces will preserve repeatability and reduce the risk of premature wear. For application-specific guidance, consult the insert manufacturer's data and Metav Werkzeuge's technical advisors. For tailored advice on mounting, insert selection or to procure the Teknik Cutting Tools S25R SDQCR boring bar, contact Metav Werkzeuge at info@metav-werkzeuge.com or +49 2822 7131930 for reliable supply from Emmerich Technical data Article number: K150TM Manufacturer: Teknik Cutting Tools ISO designation: S25R SDQCR For indexable inserts: DC-- 11T3 Cutting direction: right SKU: K150TM Key measurements Shank diameter: 25 mm Diameter: 32 mm Overall length: 200 mm Cutting edge height: 40 mm Weight: 0.748 kg Cutting angle: 107.5° Features SDQC holder type Compatible with DC-- 11T3 indexable inserts Right-hand cutting orientation Designed for internal turning and boring FAQ Which inserts fit this holder? The holder accepts DC-- 11T3 indexable inserts; the SDQC clamping pocket is designed for secure seating and fast indexing when used with the recommended insert geometry. What is the shank diameter and how does it affect mounting? The shank diameter is 25 mm, which requires a toolpost or turret capable of accepting a 25 mm holder to ensure secure clamping and accurate alignment. Is this bar right- or left-hand cutting? This bar is configured for right-hand cutting, matching common lathe orientations for external and internal turning operations. What length and diameter are suitable for deep boring? The bar has a 200 mm overall length and a 32 mm diameter, providing extended reach for deeper internal operations while maintaining stable connection to the machine. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Drill Bar S25S DDUNR Right-Hand, 50mm Cutting Height, 250mm Overall Length - Teknik Makina
Combine right-hand cutting reliability with a 25 mm shank and a 50 mm effective cutting height for stable boring results; procure the tool via Metav Werkzeuge or consult our specialists for application advice. S25S DDUNR boring bar — 25 mm shank, 250 mm overall length (Teknik Makina) The S25S DDUNR boring bar is a right-hand, indexable-insert tool designed for precision internal boring on CNC lathes using DN--1506 inserts Right-hand cutting direction for standard setups Compatible with DN--1506 indexable inserts 50 mm effective cutting height 250 mm overall length, robust 0.95 kg construction Consistent machining through compatible insert geometry The tool is engineered for repeatable results by matching common indexable insert sizes; compatibility with DN--1506 inserts reduces setup complexity and minimises inventory variety. Right-hand cutting geometry ensures predictable chip flow and tooling direction on standard lathe configurations, while the ISO designation S25S DDUNR denotes the toolholder interface and clamping form. For workshops aiming to streamline tool changeovers, this matching of holder and insert delivers measurable reductions in downtime and simpler ordering logic. Stable cuts from a compact, stiff design A 25 mm shank diameter combined with a 50 mm cutting height and a 250 mm overall length provides a balance of reach and rigidity that helps reduce vibration and improve surface finish. The nominal diameter of 32 mm and a 93° cutting angle are chosen to improve approach clearance in confined bores while maintaining support at the cutting zone. The assembly mass of 0.95 kg contributes to dampening without excessive inertia, making the bar suitable for medium-duty internal machining where repeatable concentricity and tool life matter. Practical productivity gains at the machine Using a standard indexable system brings clear economic benefits: fewer regrinds, easier insert changes and consistent cutting edges that stabilise cycle times. The modular nature of the holder and insert concept supports quick adaptation between roughing and finishing grades of insert, so process engineers can optimise metal removal rates without modifying the toolpost. Combined with a predictable right-hand orientation and industry-standard clamping, the tool supports efficient production runs and straightforward tool management within a larger tooling strategy. Contact Metav Werkzeuge for tailored advice on integrating Teknik Makina boring bars into existing CNC setups and to arrange prompt supply from our Emmerich centre Technical Data Article number: K410TM ISO designation: S25S DDUNR Compatible inserts: DN-- 1506 Cutting direction: right-hand Brand: Teknik Makina Data Shank diameter: 25 mm Cutting height: 50 mm Overall length: 250 mm Diameter: 32 mm Cutting angle: 93° Weight: 0.95 kg Special features For DN-- 1506 indexable inserts Right-hand cutting ISO toolholder interface Robust, balanced mass for stability FAQ Which inserts fit this boring bar? The S25S DDUNR is designed for DN--1506 indexable inserts; Teknik Makina specified this compatibility to simplify insert selection and ensure correct seating and chip control. What are the key dimensions to check when mounting? Check the shank diameter 25 mm and overall length 250 mm to verify holder and turret clearance; the 50 mm cutting height and 32 mm nominal diameter are relevant for bore access and support. Is the cutting direction right- or left-hand? This boring bar is supplied with a right-hand cutting direction, which is suitable for standard lathe orientations and typical spindle/feed arrangements. How does the 93° cutting angle affect machining? A 93° approach offers improved clearance at the bore entrance and supports stable cutting forces, helping to preserve insert life and enhance surface finish in internal operations. Can this tool be used for both roughing and finishing? Yes — by selecting appropriate grades and geometries of DN--1506 inserts, the holder supports both higher removal-rate roughing and low-vibration finishing passes. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; +49 2822 7131930; eMail: info@metav-werkzeuge.com
32mm Drilling Bar A25R SDQCL With Internal Coolant, Left-Hand 107.5° - Teknik Makina
Benefit from a stable, left-hand machining solution that combines secure clamping, compatibility with DC-- 11T3 indexable inserts and internal coolant for consistent chip control; order directly via Metav Werkzeuge or contact the consultants for application advice. A25R SDQCL Boring bar — left-hand, internal coolant — Teknik Makina The A25R SDQCL is a left-hand boring bar designed for the use with DC-- indexable inserts in turning and internal machining operations, delivering stability and reliable chip evacuation for industrial metalworking. Left-hand cutting direction for asymmetric parts Shank Ø 25 mm for stable clamping Internal coolant for improved chip removal Compatible with DC-- 11T3 indexable inserts Enhanced stability for precision internal turning The boring bar is built around a shank Ø 25 mm, giving a robust clamping interface that reduces vibration and runout during heavy cuts. With an overall length of 200 mm and a tool diameter of 32 mm, the design balances reach and rigidity, helping to preserve dimensional accuracy when machining bores or internal profiles. The measured mass of 0.738 kg contributes to predictable dynamic behaviour on the turret, which in turn supports repeatable bore tolerances and a reliable surface finish. Reliable chip control that protects tool life Equipped with internal coolant, the tool routes cutting fluid directly to the cutting edge to improve chip evacuation and reduce thermal load on the cutting zone. This targeted cooling lowers the risk of built-up edge and tool wear, so insert life is extended and cycle times remain consistent. In practice, improved coolant delivery supports cleaner chips, fewer interruptions for chip clearing and a more consistent process capability in longer production runs. Fast insert changes and defined cutting geometry Designed for DC-- 11T3 indexable inserts and a clamping holder designation of 11, the tool allows quick insert replacement without regrinding, reducing downtime. The cutting height of 40 mm and a cutting angle of 107.5° provide a defined engagement geometry that eases process setup and supports predictable cutting forces. Using standardised insert types simplifies stocking and ensures that the cutting edge can be restored in minutes, maintaining throughput in job-shop or production environments. Practical integration into CNC turning cells With the ISO designation A25R SDQCL, the component is straightforward to specify and install in existing tool assemblies. The left-hand cutting orientation suits applications requiring opposite-direction cutting or when machining features from a particular approach angle. Compatibility with a common insert seat and the combination of shank Ø 25 mm, 200 mm overall length and internal coolant make this a pragmatic choice for workshops seeking a balance between accessibility, rigidity and effective coolant management. Contact Metav Werkzeuge today to discuss the Teknik Makina A25R SDQCL boring bar, confirm suitability for the intended application and order directly from our central warehouse in Emmerich — eMail: info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: KA280TM Manufacturer: Teknik Makina ISO designation: A25R SDQCL Type: SDQC for DC-- indexable inserts Cutting direction: left Facts Shank diameter: 25 mm Cutting height: 40 mm Overall length: 200 mm Tool diameter: 32 mm Weight: 0.738 kg Cutting angle: 107.5° Compatible inserts: DC-- 11T3 Special features Internal coolant Left-hand orientation Clamping holder designation: 11 Indexable insert system for quick replacement FAQ What insert type does this tool accept? The A25R SDQCL is configured for DC-- 11T3 indexable inserts, providing a standardised insert seat for rapid changes and straightforward tool management. Is the coolant routed to the cutting edge? Yes, the boring bar features internal coolant, which delivers fluid directly to the cutting zone to aid chip evacuation and extend insert life. What are the key dimensions for clamping and reach? Relevant dimensions include a shank Ø 25 mm, an overall length of 200 mm and a tool diameter of 32 mm, which together determine clamping requirements and effective reach. Can this tool be used for heavy-duty turning? The combination of a solid 25 mm shank, robust geometry and internal coolant makes the tool suitable for demanding internal turning tasks where stability and thermal control are required. How is the tool designated when ordering? Order using the SKU KA280TM and the ISO designation A25R SDQCL to ensure correct delivery and compatibility. Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; +49 2822 7131930; eMail: info@metav-werkzeuge.com
Achieve exact bores with a boring bar with internal coolant
A boring bar with internal coolant is a specialised tool for internal machining on lathes and machining centres, designed to enlarge and finish existing holes to precise dimensional and form tolerances. Also referred to as an internal coolant boring bar or coolant‑fed boring bar, this tool class routes coolant through the tool body so that cutting edges are supplied directly with fluid under pressure.
How internal coolant keeps deep and blind bores reliable
When machining with external coolant only, the fluid is delivered from outside via machine nozzles and often fails to reach the cutting zone in longer bores, leaving chips trapped and increasing thermal load. A boring bar with internal coolant contains axial coolant channels that run through the tool shank to the cutting edge, delivering high‑pressure coolant where it is needed. This arrangement is essential for machining deep bores, blind holes and for materials that produce long, continuous chips; it lowers local temperatures, flushes chips out of the bore and reduces the risk of tool breakage and surface damage.
Key advantages that improve productivity
- Faster cycle reliability: internal coolant reduces thermal distortion and helps maintain tight tolerances over longer runs.
- Improved chip evacuation: pressurised coolant clears chips from the cutting zone, preventing chip clogging and re-cutting.
- Extended tool life: cooler cutting edges and effective flushing reduce wear and the likelihood of catastrophic tool failure.
- Process versatility: suitable for deep bores and blind holes, especially in difficult‑to‑machine or long‑chipping materials.
Metav as the practical partner for precision tooling
Metav stands for the democratisation of precision and is positioned as a pragmatic partner for industry and workshops. Based in Emmerich, Metav combines hands‑on technical expertise with a broad supply range: over 250,000 products and a proven track record with more than 48,000 customers, ensuring steady availability and a quality filter for the European market. For buyers seeking coolant‑fed solutions, Metav offers curated assortments and selection guidance for boring bars with internal coolant.
In summary, a boring bar with internal coolant delivers targeted cooling and chip control that is indispensable for deep and blind bores, improving tolerance control, tool life and process stability.
FAQ
When should a boring bar with internal coolant be chosen over external coolant?
Select a boring bar with internal coolant whenever bores are deep or blind, or when machining hard‑to‑cut or long‑chipping materials; the internal coolant ensures reliable chip evacuation and temperature control where external coolant cannot reach.
How do axial coolant channels reduce the risk of tool breakage?
Axial coolant channels feed high‑pressure coolant directly to the cutting edge, lowering thermal stress at the point of generation and flushing chips away, which together reduce flank wear and the chance of sudden tool failure when using a boring bar with internal coolant.
Can internal coolant boring bars be used on both lathes and machining centres?
Yes. The internal coolant design is compatible with standard toolholders used on lathes and machining centres, making the internal coolant boring bar a flexible choice across machine platforms.
Which workpiece materials benefit most from coolant‑fed boring bars?
Materials that produce long, continuous chips or that are prone to thermal softening during cutting—such as certain stainless steels and high‑strength alloys—benefit markedly from the chip flushing and cooling provided by a boring bar with internal coolant.
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