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.
4pcs 06mm Indexable Insert Boring Bar Set for CCMT 0602 Inserts, 4pcs - Teknik Makina
Take advantage of a compact, workshop-ready set that combines versatile SCLCR holders with direct compatibility for CCMT 0602 indexable inserts; the combination reduces tool change time and simplifies inventory. Order the set directly via Metav Werkzeuge or consult our specialists for application-specific advice. Boring bar set for CCMT 0602 indexable inserts – versatile SCLCR holders, workshop-ready A Boring bar set for CCMT 0602 indexable inserts designed for external turning and facing tasks in general workshop and light production environments. Compatible with CCMT 0602 indexable inserts Contains four common SCLCR holder sizes Reduces tooling changes and keeps processes lean Workshop-suitable holders from Teknik Makina Fewer tool changes, faster throughput This holder assembly is engineered to work with CCMT 0602 indexable inserts, allowing quick insert swaps and standardised tooling across multiple turning operations. Using SCLCR-type holders streamlines the clamping process and shortens setup time, which translates into measurable cycle-time savings on repetitive turning and facing tasks. The standardised design supports consistent cutting geometry, so tool life and surface finish remain predictable even when less experienced operators perform the changeovers. Practical range for everyday machining demands The set contains a selection of holder shanks (A06-08H, A08-10J, A10-12K, A12-16M) that cover a broad span of diameters and reach requirements, enabling straightforward adaptation to different workpiece profiles without stocking many single holders. Each holder’s geometry is chosen to balance stability and access, helping to maintain concentricity and reduce vibration during cuts. This makes the set a sensible choice for workshops aiming to keep a compact but flexible tooling inventory while maintaining production quality. Integration into workshop processes and supply reliability Supplied as a coherent set, the holders are suitable for small-series production and maintenance shops that prioritise operational continuity. The set supports a pragmatic tooling strategy: fewer separate items to manage, faster procurement, and predictable compatibility with commonly used indexable inserts. For purchasers seeking supply chain reassurance, Metav’s Emmerich location serves as a logistical and quality filter for the European market, helping to ensure timely delivery and dependable stock information. Clear technical fit and maintenance guidance The holders are straightforward to service with standard workshop tools and follow familiar clamping routines used for SCLCR tooling. Regular inspection of clamping screws and seating faces maintains repeatable positioning and extends insert and holder lifetime. The modular nature of the holders supports quick replacement of consumable inserts without regrinding or complex reconditioning, which lowers overall operating costs and simplifies daily maintenance tasks. Contact Metav Werkzeuge for tailored sourcing or to discuss which holder configuration from Teknik Makina best suits specific machining setups; Metav’s consultants can advise on integration and delivery from the Emmerich hub Technical Data SKU: IPS07TM Product type: Boring bar set Suitable for: CCMT 0602 indexable inserts Brand: Teknik Makina Content overview: A06-08H SCLCR 06, A08-10J SCLCR 06, A10-12K SCLCR 06, A12-16M SCLCR 06 ECLASS: 21189217 Numbers / Core technical data Pieces per set: 4 Set: yes SKU code: IPS07TM Special features / Versions Holder type: SCLCR Compatibility: CCMT 0602 Label: Bohrstangen-Set CCMT 0602 Category: Zerspanen FAQ What insert type fits these holders? The holders are designed specifically for CCMT 0602 indexable inserts; the geometry and pocket fit are matched to that insert family. Which holder sizes are included in the set? The set contains A06-08H, A08-10J, A10-12K and A12-16M SCLCR holders as listed in the product content. Can the holders be used for facing as well as turning? Yes, the boring bar set is suitable for external turning and facing operations where CCMT 0602 inserts provide the appropriate cutting geometry. Is this set suitable for small-batch production? The holder selection and rapid insert changeability make the set well suited to small-batch and jobbing environments that benefit from reduced tooling complexity. Who manufactures the set and what is the SKU? The set is offered by Teknik Makina and sold under SKU IPS07TM; technical and ordering details are available through Metav Werkzeuge. 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
4pcs 150mm Boring Bar Set for CCMT 0602 Indexable Inserts, S06–S12 Shanks - Teknik Makina
Taking advantage of a compact, compatible tooling package and the flexibility of SCLCR holder sizes, this set streamlines external turning tasks and reduces changeover times; order directly via Metav Werkzeuge or consult the technical team for selection guidance. Boring Bar Set for CCMT 0602 Indexable Inserts — 4-piece turning bar assortment (Teknik Makina) Boring Bar Set for CCMT 0602 Indexable Inserts provides a ready-made assortment of external turning bars designed for use with standard CCMT 0602 indexable inserts in workshop and industrial lathe applications Fits CCMT 0602 indexable inserts Four-piece set for flexible tooling Selection of common SCLCR holder sizes SKU IPS14TM for clear identification Consistent compatibility to reduce tool inventory The Boring Bar Set is engineered for straightforward integration with CCMT 0602 indexable inserts, offering consistent geometry and secure clamping across the included holders. By standardising on a single insert type and a matched set of holders, shops benefit from simplified stock management and fewer insert variants to keep on the shelf. The arrangement of SCLCR-style holders means repeatable set-up and predictable cutting head position, which supports process stability and lowers the frequency of corrective adjustments during production. Practical coverage for common external turning tasks Supplied as a four-piece set, the assortment spans typical holder dimensions — listed as S06-08H, S08-10J, S10-12K and S12-16M — enabling efficient handling of a range of outer diameters without frequent tool swaps. This layout reduces machine downtime and accelerates job changeover, while retaining the adaptability of indexable tooling for both short-run and batch production. Clear identification via SKU IPS14TM aids procurement and inventory tracking, helping maintenance teams and purchasing staff to order the correct configuration rapidly. Reliable sourcing and workshop-ready supply chain Selection of compatible toolholders and indexable inserts is followed by a tested supply route from the manufacturer and distributor, ensuring continuity of supply for day-to-day machining. Metav’s position as a precision partner means an extensive product range and a proven logistics channel from Emmerich to the European workshop floor. The emphasis on durable socket-and-shank combinations and standard insert geometry supports long-term process reliability and reproducible surface finishes, while the compact set format helps smaller workshops adopt industrial-grade solutions without unnecessary complexity. For technical selection or to secure this Teknik Makina turning-bar set with CCMT 0602 compatibility, contact Metav Werkzeuge for tailored advice and fast supply at info@metav-werkzeuge.com or +49 2822 7131930 Technical Data Article number: IPS14TM Label: Bohrstangen-Set CCMT 0602 Manufacturer: Teknik Makina Product type: Boring Bar Set ECLASS: 21189217 Facts Pieces per set: 4 Set: true Special features Compatible with CCMT 0602 indexable inserts Holders listed in content: S06-08H SCLCR 06; S08-10J SCLCR 06; S10-12K SCLCR 06; S12-16M SCLCR 06 Content field provided as delivered configuration FAQ Which insert size does this set accept? The set is specified for CCMT 0602 indexable inserts and the holders are matched to that insert geometry for correct clearance and rake. How many holders are included in the set? The package contains four holders as stated in the content list (S06-08H; S08-10J; S10-12K; S12-16M) and is sold as a four-piece set under SKU IPS14TM. Are the holders SCLCR types suitable for external turning? Yes, the SCLCR-style holders in this assortment are intended for external turning applications and are configured to accept the CCMT 0602 insert shape. 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
50mm A40T PDUNR Boring Bar PDUN For DNMG Indexable Inserts, Right Hand, Internal Coolant - Teknik Makina
Take advantage of a rigid, right-hand turning solution with internal coolant and proven compatibility with DNMG 1506 indexable inserts; the combination of stable engagement and straightforward insert interchange supports consistent cycle times and reduced tool changes—order via Metav Werkzeuge or ask the consultants for application advice. Boring bar AP304TM — A40T PDUNR right-hand boring bar with internal coolant by Teknik Makina The Boring bar AP304TM is a right-hand turning tool designed for use with DNMG 1506 indexable inserts, engineered to deliver stable cutting conditions in general turning and facing operations. Right-hand boring bar with internal coolant Compatible with DNMG 1506 indexable inserts 40 mm shank, 300 mm overall length 93° cutting angle for stable engagement Consistent turning performance through compatible geometry The A40T PDUNR designation describes a tool body that is matched to standard DNMG 1506 indexable inserts, so insert seating and clamping are standardised and changeovers are predictable. By using a tool body with a defined 93° cutting angle, the engagement geometry is controlled, which reduces radial deflection and delivers repeatable dimensioning. Indexable inserts are replaceable carbide tips that allow cutting-edge renewal without regrinding; this reduces overall process costs when high volumes of parts are produced. The combination of standard insert type and robust tool geometry means cycle times can be maintained with fewer interruptions for tool maintenance. Improved cooling and chip control for longer edge life This tool is equipped for internal coolant, enabling coolant to be delivered directly to the cutting zone. Direct coolant application reduces flank and crater wear on the insert and removes heat more efficiently than external jets alone. For operations that generate elevated temperatures, through-tool cooling improves surface finish and helps maintain tool life, which supports longer uninterrupted runs on production machinery. In practice, internal coolant also assists in chip evacuation when paired with the correct insert geometry, lowering the risk of built-up edge and enhancing process stability during medium- to heavy-duty cuts. Rigidity and dimensions that support stable machining Key physical parameters—40 mm shank and 300 mm overall length—are selected to balance reach and stiffness. A thicker shank reduces vibration and offers improved resistance to bending moments compared with smaller diameters, so dimensional accuracy is more easily retained on facing and turning passes. The tool has a 55 mm cutting height which provides a solid platform for the insert pocket, while the tool weight of 1.79 kg contributes to its inertial stability in the chuck or tool post. These design choices are geared towards minimising chatter and ensuring that the cutting edge engages predictably under typical lathe feed and speed conditions. Practical workshop integration and application notes The AP304TM suits routine turning tasks where DNMG-type carbide inserts are already in use, enabling toolholders to be standardised across a machine park. Right-hand cut direction is indicated for conventional turning operations on lathes set up for right-hand tool feed. Technical advice and compatibility checks are available on request; technical data such as shank diameter, cutting height and coolant provision should be verified against the machine tool’s turret or holder specification before mounting. For workshop planners seeking dependable interchangeability and straightforward maintenance, the combination of standard insert format and through-tool cooling simplifies inventory and reduces downtime. Contact Metav Werkzeuge today to discuss how the AP304TM with internal coolant and DNMG 1506 compatibility can improve turning consistency; call +49 2822 7131930 or email info@metav-werkzeuge.com Technical data Article number: AP304TM Manufacturer: Teknik Makina ISO designation: A40T PDUNR Suitable for inserts: DNMG 1506 Facts Shank diameter: 40 mm Cutting height: 55 mm Overall length: 300 mm Tool diameter: 50 mm Cutting angle: 93° Weight: 1.79 kg Special features Right-hand cutting direction Internal coolant (through-tool cooling) PDUN geometry for DNMG indexable inserts Solid tool body for stable clamping FAQ What insert type does this boring bar accept? The AP304TM is designed for DNMG 1506 indexable inserts and uses the PDUN seating geometry for secure clamping. Is the coolant supplied internally or externally? Internal coolant is provided; the bar is configured for through-tool cooling to deliver coolant directly to the cutting edge. What is the shank diameter and overall length? Shank diameter is 40 mm and overall length is 300 mm, dimensions chosen to balance reach with rigidity. Can the tool be used for finishing as well as roughing? Yes, with the correct DNMG insert grade and cutting parameters the AP304TM can be applied to both finishing and roughing tasks, benefiting from stable engagement and coolant support. Which cutting direction is specified for this tool? The tool is configured for right-hand cutting direction, suitable for standard lathe 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
50mm Boring Bar A40T PCLNL PCLN For CNMG Indexable Inserts With Coolant, Left-Hand 300mm - Teknik Makina
Take advantage of the combination of rigid 40 mm shank and internal coolant to improve cycle stability and tool life. The integrated design for CNMG 1204 indexable inserts delivers consistent chip control and repeatable bore quality — order directly via Metav Werkzeuge or consult the team for application-specific setup. A40T PCLNL Boring Bar – PCLN for CNMG Indexable Inserts, 40 mm Shank – Teknik Makina The A40T PCLNL is a left-hand boring bar engineered for turning applications with CNMG 1204 indexable inserts, combining a robust 40 mm shank with internal coolant for improved process reliability. A40T PCLNL boring bar for CNMG 1204 inserts Internal coolant supply for optimised chip evacuation 40 mm solid shank, 300 mm overall length Left-hand orientation with 95° cutting angle Stable bore quality from a rigid shank and precise geometry A solid 40 mm shank and the specified 300 mm overall length provide a balance between reach and stiffness, minimising vibration during heavy cuts. The tool’s geometry — a 95° cutting angle and generous 55 mm cutting height — supports consistent edge engagement when used with CNMG 1204 indexable inserts. In practice, this reduces surface irregularities and rework, enabling more predictable process planning in serial production and toolroom environments. Controlled cooling and chip evacuation to extend tool life The integrated internal coolant channels target the cutting zone directly, enhancing heat removal and aiding chip breakage. Improved cooling stabilises cutting temperatures, which in turn preserves insert edge integrity and delays wear. For operations requiring extended tool life and fewer tool changes, the internal coolant capability contributes to reduced downtime and a more economical machining cycle. Compatibility and quick installation for efficient setups Designed for CNMG-type indexable inserts, the holder matches common clamping systems and is identified by ISO designation A40T PCLNL. The clamping-holder designation (12) supports secure insert retention and repeatable indexability. The bar’s specification and weight (1.82 kg) facilitate straightforward handling during setup while ensuring sufficient mass for steady machining. This makes the component suitable for medium to heavy turning tasks where reliable clamping and coolant supply are required. Practical advantages for production environments By pairing proven insert geometry with targeted coolant delivery and a robust shank, the assembly improves process stability and reduces the frequency of corrective machining. The left-hand orientation is advantageous where component clamping or machine tool configuration demands reverse cutting direction. Overall, the design prioritises manufacturability and repeatable performance for workshops and production lines using CNMG inserts. Contact Metav Werkzeuge for tailored advice on integrating the Teknik Makina A40T PCLNL boring bar into existing tooling arrays or to request application-specific recommendations; Metav’s specialists will support selection and setup from Emmerich. Technical Data Article number: AP354TM Manufacturer: Teknik Makina ISO designation: A40T PCLNL Facts Shank diameter: 40 mm Cutting height: 55 mm Weight: 1.82 kg Overall length: 300 mm Diameter: 50 mm Cutting angle: 95° Compatible inserts: CNMG 1204 Direction of cut: left Special features Internal coolant With coolant / mit Innenkühlung For CNMG indexable inserts (PCLN) Clamping holder designation: 12 FAQ Which insert type fits this boring bar? The A40T PCLNL is specified for CNMG 1204 indexable inserts and is optimised for those insert geometries. Is coolant supplied internally or externally? This boring bar provides internal coolant, delivering fluid directly to the cutting zone for improved cooling and chip control. What shank diameter and length are available for this model? The product has a 40 mm shank and a 300 mm overall length, offering a balance of stiffness and reach for many turning tasks. Is the cutting direction left-hand or right-hand? The holder is a left-hand orientation with a 95° cutting angle, suitable where reverse-direction cutting 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
50mm Boring Bar MTUN For TNMG 2204 Inserts 300mm Overall Length, Right-Hand - Teknik Makina
Robust performance and reduced setup time result from the 40 mm shank and 60 mm cutting height, delivering stable clamping and the capacity for deeper cuts; compatibility with TNMG 2204 indexable inserts simplifies tooling logistics. Order the MTUN for TNMG Indexable Inserts directly via Metav Werkzeuge or ask our consultants for application support. MTUN for TNMG Indexable Inserts – Boring bar S40T MTUNR (Ø50, 300 mm) by Teknik Makina The MTUN for TNMG Indexable Inserts is a right-hand boring bar for external turning, engineered for secure TNMG 2204 insert seating and medium‑duty CNC applications 40 mm shank for stable clamping Compatible with TNMG 2204 inserts 60 mm cutting height for deep overhangs Right-hand cutting, 93° cutting angle Greater rigidity for consistent turning accuracy The combination of a 40 mm shank and a 50 mm diameter body gives the toolholder elevated torsional stiffness, which reduces vibration during cutting and extends insert life. With an overall length of 300 mm and a mass of 2.814 kg, the construction balances reach with stability, enabling reliable external turning on standard CNC lathes. The S40T MTUNR ISO designation ensures compatibility with common toolholders and simplifies procurement and replacement cycles. Faster set-ups and optimised chip control Designed for TNMG 2204 indexable inserts, the MTUN configuration secures inserts with consistent clamping force, shortening insert changes and set-up time. The 93° cutting angle delivers clearance for effective chip evacuation and helps to avoid rubbing on interrupted surfaces, so finishing passes remain predictable. This focus on insert compatibility and chip flow supports higher productivity and reduces scrap rates in batch production. Practical fit for workshop workflows The right-hand feed and defined cutting geometry make the boring bar suitable for conventional turning operations and many CNC turning programmes. The 60 mm cutting height allows larger overhangs without immediate loss of rigidity, useful for components with stepped diameters. With a clamping holder designation of 22 and the standard ISO shank format, integration with existing fixtures is straightforward, helping to centralise tooling and lower the number of special holders required. Contact Metav Werkzeuge for tailored advice on Teknik Cutting Tools MTUN boring bars and to arrange delivery from Emmerich — eMail: info@metav-werkzeuge.com, Tel: +49 2822 7131930 Technical data Article number: K452TM Manufacturer: Teknik Makina ISO designation: S40T MTUNR Facts Diameter: 50 mm Overall length: 300 mm Shank diameter: 40 mm Cutting height: 60 mm Weight: 2.814 kg Cutting angle: 93° Cutting direction: Right-hand Special features For TNMG 2204 indexable inserts MTUN configuration for secure insert seating Clamping holder designation: 22 Suitable for external turning and medium‑duty CNC work FAQ Which indexable inserts fit this boring bar? The MTUN for TNMG Indexable Inserts is designed for TNMG 2204 inserts, offering reliable clamping and straightforward insert replacement for series production. What are the key dimensions to consider when selecting a holder? Key dimensions are the 40 mm shank diameter, 50 mm body diameter and the 300 mm overall length; the S40T MTUNR designation also guides compatibility with standard toolholders. Is the cutting direction right-hand or left-hand? This tool is configured for right-hand cutting and features a 93° cutting angle to support effective chip evacuation during right-hand turning. How does the 60 mm cutting height benefit machining tasks? The 60 mm cutting height increases the effective cutting envelope and permits deeper overhangs while maintaining reasonable rigidity for medium‑duty turning operations. What does S40T MTUNR indicate for mounting and use? S40T MTUNR is the ISO-style shank and configuration code that identifies the shank size and MTUN insert arrangement, simplifying integration with compatible holders and machines. 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
50mm Boring Bar MTWN For TNMG Indexable Inserts 40mm Shank, 60mm Cutting Height, Left-Hand - Teknik Makina
Take advantage of the combination of precise indexable-insert compatibility, robust 40 mm shank stability and a 300 mm overall length for reliable internal turning operations — order via Metav Werkzeuge or consult the advisors for tailored application support. K539TM Boring bar — MTWN for TNMG indexable inserts, left-hand, 40 mm shank (Teknik Makina) K539TM is a left-hand MTWN boring bar engineered for internal turning with TNMG 1604 indexable inserts, optimised for stable metal removal in workshop and CNC lathe environments. Left-hand cutting for reverse operations Compatible with TNMG 1604 inserts 40 mm shank, 300 mm overall length Precision compatibility that reduces set-up time The MTWN configuration with support for TNMG 1604 indexable inserts keeps clamping and indexation straightforward, enabling a repeatable tool set-up across multiple machines. This standardised insert interface simplifies inventory and reduces downtime when changing tools. The integrated ISO designation S40T MTQNL indicates conventional shank and seat geometry, which translates into a reliable fit with common toolholders and predictable cutting behaviour. Stable shank and mass for consistent surface finishes A 40 mm shank combined with a 50 mm outer diameter and a mass of 2.807 kg provides the rigidity needed to resist deflection during internal turning, especially on long overhangs. Greater stability reduces vibration and improves surface finish, which can extend the life of indexable inserts and lower overall machining costs. The robust construction is particularly beneficial when facing interrupted cuts or harder workpiece materials that demand a steady cutting platform. Cutting angle and geometry tailored for effective chip control The 107.5° cutting angle contributes to effective chip flow and clearance within confined bores. This geometry balances cutting forces and tool engagement so that chip evacuation is improved and insert wear is more uniform. For workshops unfamiliar with cutting-angle nomenclature: a larger approach angle like this typically reduces radial force and helps maintain tool life while preserving dimensional accuracy on the machined bore. Workshop integration and serviceability that save time With an overall length of 300 mm and clamping interface noted as size 16, the bar integrates with many conventional clamping systems and shortens changeover routines. The use of widely available TNMG 1604 inserts means replacement cutters are easy to source, allowing quick turnarounds without custom grinding. This practical compatibility supports continuous production and keeps toolroom complexity to a minimum. For precision internal turning with Teknik Makina quality, contact Metav Werkzeuge for product availability and application advice from Emmerich — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: K539TM Manufacturer: Teknik Makina Designation: MTWN for TNMG Indexable Inserts ISO designation: S40T MTQNL Facts Shank diameter: 40 mm Outer diameter: 50 mm Cutting height: 60 mm Overall length: 300 mm Weight: 2.807 kg Cutting angle: 107.5° Compatible inserts: TNMG 1604 Special features Left-hand cutting direction MTWN holder geometry for indexable inserts Clamping holder size: 16 Suitable for standard toolholders and CNC lathe use FAQ Which inserts fit this boring bar? The K539TM boring bar accepts TNMG 1604 indexable inserts; the MTWN holder geometry is designed to secure those insert sizes reliably. Is the tool suitable for internal turning of steel components? Yes, the MTWN design of the K539TM combined with a rigid 40 mm shank provides the stability required for internal turning operations in a variety of steels. What is the cutting direction and why does it matter? This bar is configured for left-hand cutting; that orientation is selected to match the lathe's rotation and the intended machining strategy for reverse or specific clamping setups. How long is the bar and what shank size should the toolholder accept? The tool has an overall length of 300 mm and a shank diameter of 40 mm, so a compatible toolholder that accepts a 40 mm shank is required. Does the cutting angle support good chip evacuation? The 107.5° cutting angle is aimed at improved chip control and reduced radial forces, helping to maintain consistent finishing and prolong 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
50mm Boring Bar PCLN For CNMG 1204 With Internal Coolant, 40mm Shank 55mm Cutting Height, 300mm Overall - Teknik Makina
Take advantage of the combination of rigidity from the 40 mm shaft, internal coolant and compatibility with CNMG 1204 inserts for precise, stable turning operations; order directly via Metav Werkzeuge or consult our specialists if guidance is required. Boring Bar AP344TM — PCLN for CNMG indexable inserts, internal coolant (Teknik Makina) The Boring Bar AP344TM is a right-hand turning bar designed for heavy-duty and precision facing with CNMG 1204 indexable inserts, suited to demanding workshop and production environments. A40T PCLNR ISO designation Internal coolant channel for stable cutting Compatible with CNMG 1204 inserts 40 mm shaft for increased rigidity Maximised rigidity for consistent machining results The turning tool is built around a 40 mm shaft, which significantly increases rigidity and reduces deflection under load. This construction, combined with the A40T PCLNR ISO form, delivers a stable platform for roughing and finishing operations, so that the machining process produces repeatable diameters and surface quality. The robust design minimises chatter and supports longer tool life of the indexable inserts, translating into fewer tool changes and more productive machine time. Integrated coolant for improved tool life and edge stability An internal coolant channel is integrated into the bar to deliver cutting fluid directly to the cutting zone. The internal coolant supply controls temperature at the edge, reduces built-up edge and assists chip control when using CNMG 1204 inserts. In practice, this means improved insert life and more consistent cutting forces, particularly during medium to heavy cuts. Explaining the technical effect: coolant at the rake reduces thermal shock and carries away chips, which helps preserve the sharpness and geometry of the cutting edge. Ready-to-fit compatibility and straightforward setup Designed for indexable turning, the bar accepts CNMG 1204 inserts in a PCLN configuration, making it straightforward to integrate into existing toolholders and setups. The right-hand cut orientation and the standard clamping interface simplify repeatable mounting and alignment. With a 300 mm overall length and a 55 mm cutting height, the tool is dimensioned to suit standard lathes and turret setups while keeping the centre of gravity and overhang balanced for better dynamic behaviour. Shop-floor reliability and measurable benefits Performance is backed by measurable specifications such as a 95° cutting angle and a compact mass of 1.82 kg, contributing to controlled cutting dynamics and manageable handling during changeover. The combination of precision geometry, coolant support and a sturdy shaft reduces scrap rates and improves first-pass yield. For procurement and planning, the tool represents a practical investment where predictable process capability and reduced downtime are priorities. For ordering or technical consultation regarding the Teknik Makina AP344TM boring bar, contact Metav Werkzeuge for assistance and delivery from the Emmerich quality hub. Technical Data Article number: AP344TM Manufacturer: Teknik Makina ISO designation: A40T PCLNR Insert type: PCLN for CNMG indexable inserts Cutting direction: right Special feature: with Coolant Facts Shaft diameter: 40 mm Overall length: 300 mm Cutting height: 55 mm Weight: 1.82 kg Diameter: 50 mm Cutting angle: 95° Special features Internal coolant (through-tool coolant) Compatible with CNMG 1204 inserts Right-hand cutting orientation ISO A40T PCLNR form FAQ What inserts fit this boring bar? The boring bar accepts CNMG 1204 indexable inserts in a PCLN arrangement; the AP344TM is specified for this insert size and geometry. Does the bar supply coolant to the cutting edge? Yes, the AP344TM features an internal coolant channel that delivers fluid directly to the insert cutting zone for improved tool life. What are the key dimensions to check before ordering? Check the shaft diameter (40 mm), overall length (300 mm) and cutting height (55 mm) to ensure compatibility with the machine turret and clearance. Is this a right- or left-hand tool? This model is a right-hand turning bar, suitable for conventional right-hand turning operations. Who manufactures the tool and who is responsible for distribution? Teknik Makina is named as the manufacturer and the product is distributed via Metav Werkzeuge for the European market. 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
50mm Boring Bar PDUN for DNMG 1506 Indexable Inserts Left 40mm Shank, 300mm Overall Length with Internal Coolant - Teknik Makina
Take advantage of a rigid 40 mm shaft and internal coolant for stable turning, together with compatibility for DNMG 1506 indexable inserts to keep cycles consistent. Order the tool directly via Metav Werkzeuge or ask the consultants for specification support. AP314TM Boring bar — PDUN for DNMG indexable inserts, internal coolant, left-hand A AP314TM boring bar designed for turning with DNMG indexable inserts, offering left-hand cutting orientation and integrated coolant for controlled chip evacuation. Internal coolant for controlled chip flow Compatible with DNMG 1506 indexable inserts Left-hand cutting for specific lathe set-ups Robust 40 mm shaft reduces deflection Precision and rigidity for consistent turning results The design combines a 40 mm shaft with a 300 mm overall length to deliver improved stiffness and repeatability in external turning operations. Reduced bending and vibration are achieved by the larger shaft diameter, which helps maintain tolerances across longer passes; this results in fewer rejects and more predictable finish quality. The tool is identified by the ISO designation A40T PDUNL, a standard reference that ensures correct selection and interchangeability in production environments. Controlled chip flow and improved surface finish Integrated internal coolant directs cutting fluid to the insert seat and cutting edge, lowering thermal load and assisting chip evacuation. With a cutting angle 93° and a 55 mm cutting height, the geometry supports stable engagement with DNMG 1506 indexable inserts, improving surface integrity and tool life. Internal coolant reduces the risk of built-up edge and enables higher sustained cutting parameters, so machining cycles can be optimised without compromising component quality. Workshop-ready design that supports steady production The bar is specified for indexable turning with the PDUN geometry and is supplied with the technical attributes that fit industrial toolrooms: for DNMG 1506 indexable inserts, left-hand cutting orientation and a compact weight of 1.79 kg for straightforward handling. The nominal diameter is 50 mm, while the shaft and mounting details follow the A40T standard, simplifying integration with compatible toolholders (clamp designation: 15). Choice of a standardised ISO type and clear compatibility reduces downtime when inserts are changed and supports reliable supply chains in series production. For a robust left-hand boring solution with internal coolant, order the AP314TM from Teknik Cutting Tools via Metav Werkzeuge for rapid delivery from Emmerich; for technical advice contact Metav Werkzeuge at info@metav-werkzeuge.com or +49 2822 7131930 Technical data SKU: AP314TM Manufacturer: Teknik Makina Description: PDUN for DNMG Indexable Inserts ISO designation: A40T PDUNL Cutting direction: left For inserts: DNMG 1506 Internal coolant: yes Key dimensions and weights Shaft diameter: 40 mm Cutting height: 55 mm Overall length: 300 mm Nominal diameter: 50 mm Weight: 1.79 kg Cutting angle: 93° Features & compatibility For DNMG 1506 indexable inserts Left-hand cutting Internal coolant channel ISO A40T PDUNL PDUN geometry for indexable turning Clamp designation: 15 FAQ What insert type fits this boring bar? The AP314TM is designed for DNMG 1506 indexable inserts and accepts the PDUN insert geometry specified in the technical data. Is the coolant internal or external? This boring bar features internal coolant, which is delivered through the bar to the insert seat to aid cooling and chip evacuation. Can the bar be used for right-hand turning? The AP314TM is manufactured for left-hand cutting; right-hand operations require the corresponding right-hand variant. What is the ISO designation and why is it relevant? The ISO designation A40T PDUNL identifies the bar’s shank and head geometry, simplifying matching with compatible toolholders and ensuring correct installation in production settings. Is the A40T shank compatible with standard holders? The A40T PDUNL profile is a commonly used shank form and is compatible with holders designed for A40T shanks; verify clamping details (clamp designation: 15) against the holder specification before use. 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
50mm Boring Bar PWLN for WNMG 0804 Left-Hand, Internal Coolant, 95° Cutting Angle - Teknik Makina
Take advantage of the combination of 40 mm shaft rigidity, internal coolant and compatibility with WNMG 0804 inserts for stable, reproducible turning operations; order the tool via Metav Werkzeuge or consult the specialists for application advice. A40T PWLNL Boring Bar — 40 mm shaft, internal coolant (Teknik Makina) A40T PWLNL Boring Bar for left‑hand turning, designed to accept PWLN holders for WNMG 0804 indexable inserts and to deliver stable chip control across medium and long overhangs. 40 mm shaft diameter for stable clamping Internal coolant for improved chip evacuation Compatible with WNMG 0804 indexable inserts 300 mm overall length for extended reach Increased process stability through a rigid build The A40T PWLNL is engineered for demanding turning tasks where vibration and chatter reduce surface quality and tool life. A 40 mm shaft provides a solid interface to the turret or toolpost, improving stability under radial cutting forces and enabling consistent tool engagement. The substantial mass and form reduce deflection during both roughing and finishing passes, which translates into fewer re‑works, improved tolerances and longer insert life. This focus on mechanical stiffness supports predictable cycle times and repeatable part quality. Better cooling and chip management for uninterrupted production An integrated internal coolant channel delivers coolant directly to the cutting edge, enhancing heat dissipation and aiding chip evacuation from the cut. Combined with the 95° cutting angle and the geometry suited to WNMG 0804 inserts, this arrangement reduces built‑up edge and thermal wear, allowing higher sustained cutting parameters on a range of ferrous and non‑ferrous components. Reliable coolant supply also helps achieve a better surface finish and reduces the likelihood of insert edge damage during longer turnings. Smooth integration with existing toolsets and quick setup The bar follows ISO‑style designation A40T PWLNL, making it straightforward to identify and match with existing indexable insert families and PWLN holders. With a 60 mm cutting height and an overall length of 300 mm, the tool balances reach and rigidity for through‑tool applications. At 2.8 kg, it is sufficiently robust for secure clamping while still manageable during tool changes. Compatibility with standard WNMG 0804 inserts streamlines tool inventory and minimises setup iterations, supporting faster changeovers and reduced machine downtime. For robust left‑hand turning with internal coolant, contact Metav Werkzeuge for tailored technical advice and reliable dispatch from Emmerich: info@metav-werkzeuge.com • +49 2822 7131930 Technical Data Article number: AP374TM Manufacturer: Teknik Makina ISO designation: A40T PWLNL For inserts: WNMG 0804 Facts Shaft diameter: 40 mm Overall length: 300 mm Diameter: 50 mm Cutting height: 60 mm Weight: 2.8 kg Cutting angle: 95° Cutting direction: left Special features Internal coolant Compatible with PWLN holders for WNMG inserts Left‑hand orientation ISO‑style clamping FAQ Is this boring bar compatible with standard WNMG 0804 inserts? Yes. The bar is configured for PWLN holders and is compatible with WNMG 0804 indexable inserts, allowing the use of widely available turning grades and geometries. Can the tool be used for through‑tool coolant applications? The bar includes internal coolant and is intended to supply coolant near the cutting zone to improve chip control and thermal management. Which machines are suitable for this bar? Stable turrets and toolposts that accept a 40 mm shaft and provide secure clamping are suitable; the design targets conventional CNC lathes and turning centres requiring left‑hand cutting tools. Does the left‑hand orientation affect insert selection? Insert geometry remains the same, but holders and seatings must match a left‑hand toolholder configuration; the product is supplied for left‑hand cutting as specified by the ISO designation. What are the key dimensions to check before ordering? Refer to shaft diameter 40 mm, overall length 300 mm, cutting height 60 mm, and nominal bar diameter 50 mm to ensure compatibility with the machine and holder. 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
50mm Boring Bar S40T DWLNL For WN-- 0804 Indexable Inserts, 95° Cutting Angle - Teknik Makina
Take advantage of a robust left‑hand design combined with precise geometry and broad insert compatibility for reliable turning operations; the solid Ø50 mm body with shaft Ø40 mm and length 300 mm delivers stable cuts while accepting WN-- 0804 indexable inserts. Order via Metav Werkzeuge or consult the technical team for application advice. S40T DWLNL Boring Bar – Left‑hand DWLN Holder for WN-- 0804 Inserts (Teknik Cutting Tools) S40T DWLNL is a left‑hand boring bar engineered for external turning with DWLN‑style indexable inserts, optimised for medium to heavy machining tasks Left‑hand cutting direction for reverse operations Compatible with WN-- 0804 indexable inserts Solid Ø50 mm body with shaft Ø40 mm 300 mm overall length for extended reach Increased machining stability and consistent cycle times The Holder is designed to improve process stability through a rigid body and defined geometry. With a shaft Ø40 mm and solid Ø50 mm diameter, the design reduces chatter and deflection, which directly supports repeatable part quality and shorter setup times. The construction benefits tool life and tool change intervals by ensuring secure clamping and a stable cutting position; this translates into measurable productivity gains on batch runs and serial production. Precise insert interface for predictable cutting performance Featuring the DWLN interface for indexable inserts, the tool accepts WN-- 0804 plates and presents a controlled 95° cutting angle for reliable chip formation and surface finish. The S40T DWLNL designation denotes the holder geometry and clamping standard used in many CNC turning setups; this simplifies replacement and integration into existing toolholders. Clear insert compatibility reduces procurement complexity and helps standardise tooling across similar turning applications. Workshop integration, serviceability and practical handling At 300 mm overall length and a mass of 2.82 kg, the tool balances reach with manageable handling during mounting and changeover. The 60 mm insert seat height supports heavy engagement depths where required, while the left‑hand cutting orientation enables operations on workpieces and fixtures that demand reverse cutting vectors. For specific machining strategies or material pairings, Metav Werkzeuge offers application support and can advise on optimal insert grades and cutting data. For application support or to request a tailored recommendation for left‑hand turning tasks, contact Metav Werkzeuge and quote SKU K504TM — the Metav team will advise on tooling integration, suitable inserts and delivery options via info@metav-werkzeuge.com or +49 2822 7131930 Technical data SKU: K504TM Brand: Teknik Makina Type: Bohrstange (boring bar) ISO designation: S40T DWLNL Key dimensions Diameter: 50 mm Shaft diameter: 40 mm Overall length: 300 mm Insert seat height: 60 mm Weight: 2.82 kg Materials & features Compatible inserts: WN-- 0804 Cutting direction: left‑hand Cutting angle: 95° Clamping holder code: 08 Description (EN): DWLN for WN-- Indexable Inserts FAQ What inserts fit this boring bar? The boring bar is configured for WN-- 0804 indexable inserts using the DWLN interface; this ensures a straightforward insert change and predictable seating for consistent cutting. Is the bar suitable for heavy cutting depths? The solid Ø50 mm body and shaft Ø40 mm provide rigidity for medium‑to‑heavy engagement; the 95° cutting angle and 60 mm seat height support stable chip control under higher metal removal rates. Can the left‑hand orientation be used on standard lathes? Yes — left‑hand cutting is used for reverse‑direction operations and is compatible with standard lathes when the machining strategy or workholding requires a left‑hand turning tool. Which SKU should be referenced when enquiring? Please reference SKU K504TM and the S40T DWLNL designation when requesting technical details, inserts or ordering information to ensure correct identification. 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
50mm Boring Bar S40T MTQNR, MTWN for TNMG Indexable Inserts, 300mm Overall Length - Teknik Makina
Take advantage of the combination of a robust S40T MTQNR shank, compatibility with TNMG 1604 indexable inserts and a substantial Ø40 mm shaft for stable, vibration‑reduced turning; order reliably via Metav Werkzeuge or consult our specialists for application advice K367TM boring bar — MTWN for TNMG indexable inserts, S40T MTQNR, Ø40 mm shank (Teknik Makina) The K367TM boring bar is an MTWN‑style holder designed for right‑hand turning with TNMG 1604 indexable inserts, suitable for medium to heavy‑duty CNC lathe applications S40T MTQNR shank Ø40 mm Compatible with TNMG 1604 inserts Overall length 300 mm, head Ø50 mm Right‑hand cutting, 107.5° cutting angle Stable machining for consistent component finish The MTWN design delivers a rigid tool geometry that reduces chatter and improves repeatability. With a Ø40 mm shank and the recognised S40T MTQNR interface, the holder provides enhanced clamping stability, which translates into a more consistent surface finish and longer insert life. The specified 107.5° cutting angle optimises the cutting engagement for typical lathe setups and helps maintain dimensional accuracy during extended production runs. Quick insert compatibility and predictable tool setup Compatibility with TNMG 1604 indexable inserts simplifies tool provisioning and shortens setup times on the shop floor. The head diameter of Ø50 mm and the clear designation as an MTWN style holder mean that tool offsets and mounting remain predictable across machines, lowering the risk of errors during tool changes. The right‑hand cutting orientation is explicitly marked to support correct installation and safe operation. Designed for production reliability and easy integration At 300 mm overall length and a measured weight of 2.807 kg, the bar balances reach with rigidity for a range of internal and external turning tasks. The robust construction suits series manufacture where stability and repeatability are priorities; the toolholder form factor is compatible with standard clamping systems used in modern CNC lathes. Where process reliability matters, this solution reduces rework and supports steady throughput. For application guidance or to secure supply of the Teknik Makina MTWN system via Metav Werkzeuge, contact our advisors in Emmerich for tailored recommendations and dependable delivery Technical Data SKU: K367TM ISO designation: S40T MTQNR Type: MTWN for TNMG indexable inserts Manufacturer: Teknik Makina Facts Shaft diameter: 40 mm Cutting height: 60 mm Head diameter: 50 mm Overall length: 300 mm Weight: 2.807 kg Cutting angle: 107.5° Cutting direction: right Special features Compatible insert: TNMG 1604 Style: MTWN indexable insert holder Application: turning on CNC lathes Material / finish: (as supplied by manufacturer) FAQ Which inserts fit this holder? The K367TM boring bar accepts TNMG 1604 indexable inserts; the MTWN pocket is configured for that insert size and geometry. Is the bar suitable for internal turning on lathes? Yes — with an overall length of 300 mm and a Ø40 mm shank the holder is suitable for many internal turning applications where reach and rigidity are balanced. What is the correct mounting orientation? The K367TM is specified for right‑hand cutting; install and set offsets accordingly for reliable cutting performance. How does the S40T MTQNR shank benefit clamping? The S40T MTQNR shank provides a standardised interface that improves clamping stability and repeatable positioning in common toolholders. 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
50mm Boring Bar S40T MTUNL 40mm Shank For TNMG 1604, 93° Cutting Angle - Teknik Makina
Take advantage of a robust combination of stability and insert compatibility for predictable turning performance: the solid S40T MTUNL design delivers high rigidity through a 40 mm shank and a 50 mm body diameter, while compatibility with TNMG 1604 indexable inserts keeps tooling costs predictable—order via Metav Werkzeuge or consult their specialists for application advice S40T MTUNL boring bar — MTUN for TNMG indexable inserts, left-hand The S40T MTUNL is a left-hand boring bar designed for turning operations that require secure clamping of TNMG 1604 indexable inserts and steady cutting behaviour in medium-duty machining. Left-hand cutting orientation 40 mm shank diameter For TNMG 1604 inserts 300 mm overall length Stable cutting for consistent surface finish and longer tool life The substantial 40 mm shank and a 50 mm body diameter create a rigid toolholder that reduces vibration and chatter, producing a more consistent surface finish on turned parts. A stable holder means fewer tool changes and less rework, which contributes directly to greater process efficiency and predictable batch quality. The measured mass of the toolholder helps dampen transient forces during interrupted cuts, so cycle times can be maintained without sacrificing finish. Proven insert compatibility and straightforward geometry Designed for TNMG 1604 indexable inserts, the holder’s MTUN seating ensures repeatable positioning and simple clamping for quick insert changes. The cutting height 60 mm and the tool’s cutting angle 93° maintain the correct approach geometry for conventional turning set-ups, preserving insert life and minimising manual adjustment. Because the design follows common insert standards, spare inserts and replacements are widely available, which lowers logistics complexity and keeps production moving. Practical integration into workshop tooling systems Marked with the ISO designation S40T MTUNL, the holder is ready for standard lathe tool posts that accept a 40 mm shank; the 300 mm overall length gives reach for typical bore and face-turning tasks while retaining stiffness where it matters. At a weighed 2.852 kg, the component balances mass and handling for straightforward mounting and removal. The straightforward configuration supports efficient tool inventory management and reduces set-up time during changeovers. For procurement or technical clarification on the Teknik Makina MTUN holders, contact Metav Werkzeuge in Emmerich for tailored advice and reliable delivery to the workshop; e-mail info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: K524TM ISO designation: S40T MTUNL Type: MTUN for TNMG indexable inserts Cutting direction: left Compatible insert: TNMG 1604 Core data Shank diameter: 40 mm Overall length: 300 mm Body diameter: 50 mm Cutting height: 60 mm Weight: 2.852 kg Cutting angle: 93° Special features For TNMG 1604 indexable inserts MTUN holder geometry Left-hand orientation Suitable for conventional turning operations SKU: K524TM FAQ Which inserts fit this holder? The holder accepts TNMG 1604 indexable inserts; the MTUN seating secures the insert for repeatable positioning in the Teknik Makina S40T MTUNL boring bar (SKU K524TM). Is the cutting direction left or right? This model is specified for a left-hand cutting direction and is intended for left-hand turning operations. What shank size is required for the tool post? The boring bar uses a 40 mm shank (ISO designation S40T MTUNL) and suits tool posts that clamp a 40 mm holder. How does the geometry affect insert life? The combination of correct cutting height and a 93° cutting angle keeps the insert load balanced, which helps to extend insert life and maintain consistent chip formation. What identifier should be used when ordering spares? Use SKU K524TM and ISO designation S40T MTUNL when ordering to ensure the correct MTUN boring bar is supplied. Teknik Makina: 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
50mm Boring Bar S40T PCLNR PCLN For CNMG Indexable Inserts 95° Cutting Angle, 300mm Overall Length, Without Coolant - Teknik Makina
Benefit from a combination of rigid clamping and insert compatibility: the 40 mm shank and CNMG 1204 compatibility deliver stable boring with reduced vibration, while the 300 mm overall length enables deeper reaches. Order the Teknik Makina PCLN boring bar directly via Metav Werkzeuge or consult the Metav team for specification advice. Boring bar PCLN for CNMG Indexable Inserts (S40T PCLNR) — Teknik Makina The Boring bar PCLN for CNMG Indexable Inserts is a right-hand external turning holder designed for secure boring operations with CNMG 1204 inserts, optimised for setups without internal coolant Right-hand cutting direction, stable performance For CNMG 1204 indexable inserts 40 mm shank for secure clamping 300 mm overall length for deep reach Achieve stable machining with a robust shank design A solid 40 mm shank diameter combined with a 50 mm tool diameter and balanced mass (approx. 1.825 kg) reduces vibration and improves roundness in bored features. The S40T PCLNR geometry is engineered for rigid clamping in standard tool posts; this stability translates into consistent surface quality and extended insert life. Where process reliability and reproducible results matter, the mechanical design supports higher material removal rates without compromising dimensional accuracy. Minimise tooling changes through standard insert compatibility Compatibility with CNMG 1204 indexable inserts makes the toolholder a pragmatic choice for shops that favour widely available carbide grades. The PCLN configuration and the 95° cutting angle give a neutral cutting stance suited to external boring and finishing passes. As the holder is specified without coolant, it is intended for operations where flood or through-tool coolant is not required; users can pair it with appropriate insert grades and cutting parameters to achieve the desired surface finish and tool life while avoiding internal coolant pathways. Designed for workshop integration and efficient clamping The 300 mm overall length provides extended reach for deep bores while the 55 mm cutting height ensures the cutting edge aligns correctly with standard tool posts. The right-hand orientation supports conventional lathe setups and simplifies tool change routines in mixed-production environments. Combined with Metav’s sourcing model — a European stock point and quality filter — the component fits into procurement strategies that demand predictable supply and compatibility with existing insert inventories. Discuss the Teknik Makina PCLN boring bar with Metav Werkzeuge to assess fit for specific machines and workpieces; call +49 2822 7131930 or e‑mail info@metav-werkzeuge.com for tailored advice and order support Technical Data Article number: P344TM ISO designation: S40T PCLNR ECLASS: 21180806 Brand: Teknik Makina Facts Diameter: 50 mm Shank diameter: 40 mm Overall length: 300 mm Cutting height: 55 mm Cutting angle: 95° Weight: 1.825 kg Direction: right Special features For inserts: CNMG 1204 Designation (EN): PCLN for CNMG Indexable Inserts Feature: without coolant FAQ Which indexable inserts fit this tool? The boring bar accepts CNMG 1204 indexable inserts; the PCLN configuration is matched to that insert size for reliable seating and repeatable cutting geometry. Is this holder suitable for coolant-through operations? No, the holder is supplied without coolant and is intended for applications where internal coolant is not required or external cooling methods are used. What is the ISO designation and how does it affect clamping? The S40T PCLNR ISO designation describes the shank and holder geometry; it indicates a 40 mm shank and the PCLN pocket form, ensuring compatibility with standard clamp systems and predictable positioning. What are the primary dimensional limits to consider before purchase? Key dimensions are 50 mm diameter, 40 mm shank, 300 mm overall length, and a 55 mm cutting height; confirm these against the machine tool envelope and turret clearance. Is the holder right-hand or left-hand? The tool is configured for a right-hand cutting direction, suitable for conventional external turning and boring on standard lathes. 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
50mm Precision Boring Bar S40T SVQBR For VBMT 1604 Inserts, Right Hand - Teknik Makina
Take advantage of a rigid, ISO-designated boring bar that combines robust stability and compatibility with standard VBMT indexable inserts for reliable workshop performance; order through Metav Werkzeuge or consult our technical team for application guidance. S40T SVQBR boring bar — SVQB for VBMT indexable inserts, Ø50 mm, 300 mm overall length The S40T SVQBR is a right-hand boring bar engineered for turning and light boring operations using VBMT 1604 indexable inserts, suitable for workshop and small-series machining environments. For VBMT 1604 indexable inserts Shaft Ø40 mm for enhanced rigidity 300 mm overall length for extended reach Stable mounting reduces chatter and repeat setups The bar’s shaft Ø40 mm and its ISO designation ensure a high level of rigidity during interrupted cuts and medium-depth turning, which directly improves dimensional repeatability. With a design tailored for VBMT 1604 indexable inserts, the tool-holder interface reduces micro-movements that cause chatter; this means fewer reworks and a steadier surface finish. For buyers seeking dependable process stability, the combination of a stout shaft and standard insert compatibility simplifies inventory planning and keeps cycle times predictable. Geometry optimised for chip control and surface quality A cutting angle of 107.5° and a 55 mm cutting height are configured to improve chip flow and preserve insert life under typical right-hand turning conditions. The right-hand cut geometry directs chips away from the workpiece and tool body, reducing the risk of re-cutting and thermal marks. With an overall length of 300 mm, the bar balances reach and stiffness; this is particularly useful where extended overhang cannot be avoided but process integrity must be maintained. Clear chip evacuation and controlled engagement lead to consistent component appearance and less manual finishing. Practical workshop integration and handling benefits Marked with ISO designation S40T SVQBR and weighing 2.765 kg, the bar is designed for secure clamping and straightforward handling in daily shop practice. Compatibility with common clamp-holder sizes (designation 16) and acceptance of VBMT 1604 inserts make it simple to switch from legacy tooling without complex requalification. Reduced setup complexity shortens machine downtime and supports faster batch turnovers. Technical teams benefit from the straightforward specification, which aids in procurement decisions and in creating reliable tool lists for production planning. Contact Metav Werkzeuge for tailored advice on integrating the Teknik Cutting Tools S40T SVQBR into existing setups or for a supply recommendation—email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data SKU: K220TM Designation: S40T SVQBR boring bar Secondary designation: SVQB for VBMT Indexable Inserts Manufacturer: Teknik Makina Facts Diameter: 50 mm Shaft diameter: 40 mm Overall length: 300 mm Cutting height: 55 mm Weight: 2.765 kg Cutting angle: 107.5° For inserts: VBMT 1604 Cutting direction: right Special features ISO designation S40T SVQBR Clamp-holder designation 16 Designed for VBMT 1604 indexable inserts Right-hand operation FAQ Which inserts fit this boring bar? The S40T SVQBR boring bar accepts VBMT 1604 indexable inserts; the bar is configured to secure these inserts for stable turning. Is this bar suitable for extended overhang applications? With a shaft Ø40 mm and 300 mm overall length, the tool balances reach and stiffness, making it appropriate for moderate extended overhangs while maintaining process stability. What is the cutting direction for this tool? The tool is specified for right-hand cutting, designed for conventional right-hand turning operations with corresponding toolholder orientation. How does the cutting angle affect chip control? The 107.5° cutting angle promotes effective chip evacuation and reduces the likelihood of re-cutting, contributing to improved surface finish and longer insert life. Can the bar be mounted in standard holders? Yes; the bar carries an ISO S40T designation and a clamp-holder designation of 16, facilitating integration with common toolholder systems. 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
50mm PWLN Boring Bar For WNMG 0804 Indexable Inserts 40mm Shank, 60mm Cutting Height, 300mm Overall Length - Teknik Makina
Take advantage of a rigid 40 mm shank combined with compatibility for WNMG 0804 indexable inserts to maintain repeatable turning performance; the left‑hand 95° geometry and 300 mm overall length ensure stable chip control and tool life — order via Metav Werkzeuge or consult the specialists for integration advice. PWLN for WNMG Indexable Inserts – 40 mm shank left‑hand boring bar by Teknik Makina A PWLN for WNMG Indexable Inserts designed as a left‑hand boring bar for turning operations, compatible with WNMG 0804 inserts and optimised for stable clamping and consistent surface finish 40 mm shank diameter for stable clamping Compatible with WNMG 0804 inserts Left‑hand cutting, 95° cutting angle 300 mm overall length, robust 2.45 kg Stable clamping for repeatable turning accuracy The robust 40 mm shank and ISO designation S40T PWLNL provide high torsional stiffness and a secure toolholder fit, which reduces vibration during interrupted cuts. That stiffness translates into more consistent diameters and surface quality, making the bar suitable for serial production where repeatability matters. The combination of shank diameter and overall length gives a predictable deflection behaviour; the result is fewer reworks and improved productivity on batch turning tasks. Proven insert compatibility and machining orientation Designed to accept WNMG 0804 indexable inserts, the toolholder is set up for conventional left‑hand cutting and a 95° cutting angle, enabling reliable chip formation and predictable cutting forces. Compatibility with a common negative‑rake insert format simplifies tooling logistics and reduces inventory complexity. For workshops standardising on WNMG inserts, this holder fits directly into existing indexable‑insert toolsets and supports quick insert changes without additional adaptations. Rigidity, geometry and occupational benefits With a 300 mm overall length and a diameter of 50 mm at the head, the bar balances reach with rigidity for internal and external operations. The specified cutting height 60 mm ensures correct insert seating and clamping stability, which helps maintain cutting-edge geometry under load. The tool’s mass of 2.45 kg contributes to damping of high‑frequency vibrations, improving finish on sensitive components and extending insert life through steadier cutting conditions. For procurement or application guidance on the Teknik Makina PWLN boring bar, contact Metav Werkzeuge for tailored advice and fast supply from Emmerich — eMail: info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: P374TM Manufacturer: Teknik Makina ISO designation: S40T PWLNL Designation: PWLN for WNMG Indexable Inserts Cutting direction: left Facts Shank diameter: 40 mm Overall length: 300 mm Head diameter: 50 mm Cutting angle: 95° Cutting height: 60 mm Weight: 2.45 kg Special features Compatible inserts: WNMG 0804 Clamping holder size: 08 Files available: 62de7e4533927e49dbf3273d, 62de7edf0f56dbb4de4dbf50 FAQ What inserts fit this boring bar? The PWLN for WNMG Indexable Inserts accepts WNMG 0804 indexable inserts; the holder is prepared to seat the insert securely for left‑hand turning operations. Is this tool suitable for internal boring and external turning? The bar’s geometry and 300 mm overall length allow both internal and external applications where the required reach and rigidity match the workpiece set‑up. What is the shank diameter and why does it matter? Shank diameter is 40 mm; a larger shank increases rigidity, reduces deflection and improves surface finish and dimensional stability during machining. 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
50mm S40T DCKNR Boring Bar For CN-- 1204 Indexable Inserts, 75° Cutting Angle, 300mm Length - Teknik Makina
Take advantage of the robust S40T DCKNR design and proven compatibility with CN--1204 indexable inserts to ensure stable external turning and predictable tool life; order the S40T DCKNR boring bar directly via Metav Werkzeuge or ask our consultants if needed. S40T DCKNR boring bar — DCKNR for CN--1204 indexable inserts, 40 mm shaft by Teknik Makina The S40T DCKNR boring bar is a right-hand toolholder designed for external turning operations using CN--1204 indexable inserts, offering a balance of rigidity and accessibility for standard lathe setups. Right-hand cutting direction Compatible with CN--1204 inserts 40 mm shaft diameter 300 mm overall length Robust design for consistent turning performance The bar is engineered to deliver stable chip control and repeatable results in external turning. Its monolithic configuration and the specified 40 mm shaft provide increased stiffness compared with smaller shanks, reducing deflection under load. As a result, the operator benefits from improved diameter accuracy and surface finish with fewer rework cycles. The connection to CN--1204 inserts is optimised for secure seating, which helps maintain cutting geometry across batches and supports consistent cycle times on medium-duty turning operations. Geometry tuned to cutting efficiency and insert life The specified 75° cutting angle and 65 mm cutting height favour effective engagement for many standard turning tasks, enabling controlled chip flow and predictable cutting forces. Right-hand cutting orientation ensures compatibility with prevailing lathe setups and simplifies tool inventory management. By pairing the holder geometry with the appropriate CN--1204 grade, the setup allows for reduced insert wear and longer in-service intervals, translating into lower tooling costs per part and higher uptime on the machine. Dimensioning and handling for workshop integration With an outer 50 mm diameter, a 300 mm overall length and a measured weight of 1.837 kg, the tool balances reach and rigidity for common external operations. The S40T DCKNR form factor fits standard tool posts and clamping arrangements used in industrial workshops; the practical shaft dimensions facilitate secure clamping and straightforward setup. The compact mass assists in controlled handling during changeovers while maintaining sufficient inertia to resist chatter when machining medium sections. Practical benefits for purchasing and supply chain reliability Selecting this toolholder supports predictable lead times and easy replacement of inserts, thanks to the widespread availability of CN--1204 plates. The robust construction reduces frequency of tool changeovers and minimises downtime associated with holder-related failures. For procurement teams, the combination of a recognised ISO designation and clear dimensional data simplifies cataloguing and ensures compatibility checks can be completed quickly, aiding rapid integration into existing tool lists. For delivery and compatibility advice on the Teknik Makina S40T DCKNR boring bar (SKU K405TM), contact Metav Werkzeuge in Emmerich for direct supply and application support via info@metav-werkzeuge.com or +49 2822 7131930 Technical Data Article number: K405TM ISO designation: S40T DCKNR Description: DCKNR for CN-- 1204 Indexable Inserts Brand: Teknik Makina Facts Shaft diameter: 40 mm Diameter: 50 mm Overall length: 300 mm Cutting height: 65 mm Cutting angle: 75° Cutting direction: right Weight: 1.837 kg Special features Compatible with CN--1204 indexable inserts Right-hand cutting orientation Toolholder type: DCKNR Clamping designation: 12 FAQ Which indexable inserts fit this tool? The toolholder is designed for CN--1204 indexable inserts; matching insert grades and chipbreakers should be chosen according to the workpiece material and cutting conditions. Is the cutting direction right-hand or left-hand? This bar is configured for right-hand cutting, suitable for standard external turning on conventional lathes. What are the key dimensions to check for fitting? Important values are the 40 mm shaft diameter, 50 mm overall diameter, and 300 mm overall length—verify these against the machine toolpost and clamp capacity. Can this holder be used for heavy roughing operations? The holder’s stiffness and geometry favour medium-duty turning; for heavy roughing, confirm machine rigidity and insert selection to avoid excessive deflection. What is the SKU and who manufactures the product? The item is supplied as SKU K405TM and manufactured by Teknik Makina; Metav Werkzeuge can advise on stock and delivery options. 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
50mm S40T DCLNL Boring Bar 40mm Shank 60mm Cutting Height Left-Hand, 95° Cutting Angle - Teknik Makina
Robust left-hand bar with a 40 mm shaft and 60 mm cutting height for stable, repeatable internal turning; compatible with CN-- 1204 indexable inserts for efficient chip control. Take advantage of the combination of rigidity, reach and insert compatibility for reliable workshop performance. Order the S40T DCLNL boring bar directly via Metav Werkzeuge or ask our consultants if needed. S40T DCLNL Boring Bar (DCLN for CN-- Indexable Inserts) by Teknik Makina — Left-hand, Ø50 mm A left-hand S40T DCLNL boring bar designed for internal turning with CN-- 1204 indexable inserts, offering a balance of rigidity and reach for medium-duty machining tasks. Left-hand cutting orientation Compatible with CN-- 1204 inserts 40 mm shaft for rigid clamping 300 mm overall length for deep reach Greater stability for precise internal turning The design concentrates on rigidity and dimensional stability to reduce vibration during internal machining. A 40 mm shaft provides a stable clamping interface that minimises deflection, improving accuracy and repeatability in serial work. The tool’s mass and geometry help maintain a consistent cutting engagement, which is particularly important when working at reach; this translates into better surface finish and longer insert life compared with less rigid holders. Optimised for CN-- 1204 indexable inserts and chip control The holder is configured as a DCLN style for use with CN-- 1204 indexable inserts, providing straightforward insert indexing and secure clamping. The 95° cutting angle combined with a cutting height of 60 mm ensures correct insert positioning and effective chip formation when used in left-hand cutting operations. This geometry supports predictable cutting forces and helps to avoid unexpected tool deflection, which benefits both component tolerances and throughput. Practical workshop advantages and setup clarity With a 300 mm overall length and a 50 mm body diameter, the bar delivers the reach needed for deeper bores while retaining a compact footprint at the clamping end. The ISO designation S40T DCLNL signals standardised shank and clamping dimensions for compatibility with common toolholders. At a weight of 2.845 kg the holder balances mass for damping without being cumbersome to handle during setup. Clear, consistent geometry reduces setup time and contributes to a smoother production flow. Contact Metav Werkzeuge in Emmerich for technical advice on the Teknik Makina S40T DCLNL boring bar and supply options; eMail: info@metav-werkzeuge.com | Tel: +49 2822 7131930 Technical Data Article number: K484TM Manufacturer: Teknik Makina Product name: Bohrstange — DCLN for CN-- Indexable Inserts ISO designation: S40T DCLNL eClass: 21180806 Numbers / Core technical data Shaft diameter: 40 mm Body diameter: 50 mm Cutting height: 60 mm Overall length: 300 mm Weight: 2.845 kg Cutting angle: 95° Cutting direction: Left Clamping holder designation: 12 Designs / Special features DCLN holder style for indexable inserts Compatible with CN-- 1204 indexable inserts Left-hand cutting orientation Suitable for internal boring applications Brand: Teknik Makina FAQ Which insert size fits this holder? The boring bar accepts CN-- 1204 indexable inserts; the DCLN geometry positions the insert for secure clamping and reliable cutting. Is the tool suitable for left-hand machining only? Yes, the holder is configured for left-hand cutting; the geometry and clamping are optimised for left-hand operations. What are the main dimensions and reach of the bar? The tool has a 40 mm shaft, a 50 mm body diameter and a 300 mm overall length, providing extended reach for deeper bores. What is the ISO designation and how does that help in workshop planning? The ISO designation is S40T DCLNL; this standardisation helps ensure compatibility with common clamping systems and simplifies tool selection and replacement. 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
50mm S40T DCLNR Boring Bar for CN-- 1204 Indexable Inserts, 95° Cutting Angle, 300mm Length - Teknik Makina
Take advantage of the combination of robust ISO shank design, secure compatibility with CN-- 1204 indexable inserts and a compact 300 mm overall length for reliable internal turning performance. Order the boring bar directly via Metav Werkzeuge or contact our consultants for application guidance. Boring Bar S40T DCLNR (DCLN for CN-- indexable inserts) – 40 mm shank, 300 mm overall length | Teknik Makina A Boring Bar S40T DCLNR for right-hand internal turning and facing operations, designed to accept CN-- 1204 indexable inserts and provide stable toolholding in medium-duty machining S40T DCLNR ISO shank design 40 mm shank diameter for stability Compatible with CN-- 1204 inserts 300 mm overall length, 95° cutting angle Stable toolholding for consistent internal turning results The S40T DCLNR holder is engineered for stable machining when using exchangeable carbide faces. With a 40 mm shank and a 300 mm overall length, the design reduces deflection during internal turning, so the operator benefits from consistent bore geometry and improved surface finish. The CN-- 1204 insert interface allows rapid re-indexing or replacement, which keeps cycle times down and tool costs predictable. For workshops that prioritise repeatability, this holder converts insert changes into measurable efficiency gains. Clear compatibility and machining orientation to plan tooling Designed for right-hand cutting and a 95° cutting angle, the holder matches common turning set-ups where approach geometry and clearance are critical. The ISO designation S40T DCLNR signals a standardised shank and clamping arrangement, simplifying tool crib planning and ensuring interchangeability with existing toolposts. Technical buyers will value the clearly defined fit for CN-- 1204 inserts and the avoidance of ambiguous measurements, making procurement and changeover straightforward. Practical advantages that save time at the machine The combination of a substantial shank diameter and a robust cutting height of 60 mm provides a secure platform for indexable inserts, reducing chatter and rework. At a weight of 2.845 kg the holder balances rigidity with manageable handling during set-up. The use of indexable inserts minimises downtime: insert replacement is faster than regrinding, and insert inventory can be optimised for specific workpiece materials and cutting parameters, supporting leaner workshop logistics. Dependable supply and application support from a precision partner Sourcing this holder through Metav Werkzeuge connects the tool choice with a quality filter for the European market. Metav’s broad assortment and experienced advisory service mean the holder is not only a component but part of a dependable machining solution. For procurement officers and workshop managers the clear SKU and ISO labelling reduce order errors and ensure rapid provisioning for production runs that cannot tolerate extended downtime. For tailored application advice or to arrange supply of the S40T DCLNR boring bar contact Metav Werkzeuge in Emmerich by phone or e‑mail for prompt technical consultation and delivery planning Technical data Article number: K404TM Manufacturer: Teknik Makina Facts Shank diameter: 40 mm Cutting height: 60 mm Weight: 2.845 kg Cutting angle: 95° Diameter: 50 mm Overall length: 300 mm Special features ISO designation: S40T DCLNR For indexable inserts: CN-- 1204 Cutting direction: right FAQ Which inserts are compatible with this holder? The holder accepts CN-- 1204 indexable inserts; the S40T DCLNR design accommodates standard CN-- geometry for quick replacement and indexing. Is the cutting orientation right-hand or left-hand? This tool is specified for right-hand cutting, matching turning operations that require a clockwise tool approach. What are the key dimensions and the SKU? Key dimensions: 40 mm shank diameter, 60 mm cutting height, 300 mm overall length, diameter 50 mm; SKU K404TM. Which operations suit this holder best? The holder is intended for internal turning and facing where a rigid shank and indexable insert usage provide efficient material removal and good surface quality. How does the ISO designation help in procurement? The S40T DCLNR ISO label clarifies shank and clamping standards, supporting straightforward replacement, compatibility checks and reduced ordering errors. 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
50mm S40T DDQNL Boring Bar Left-Hand For DN-- 1506 Indexable Inserts, 60mm Cutting Height, 107.5° Cutting Angle - Teknik Makina
Take advantage of the combination of rigid 40 mm shank stability, compatibility with DN--1506 indexable inserts and a 300 mm overall length to achieve reliable left-hand boring operations and consistent surface quality; order directly via Metav Werkzeuge or consult our specialists for application matching. S40T DDQNL Boring Bar – 40 mm shank, left‑hand cutting (Teknik Makina) The S40T DDQNL is a left‑hand boring bar designed for internal turning and boring operations using DN--1506 indexable inserts, offering a balance of rigidity and accessibility for medium‑duty setups. 40 mm shank for rigid set‑up Compatible with DN--1506 inserts Left‑hand cutting orientation 300 mm overall length for extended reach Consistent rigidity for stable internal boring The prominent 40 mm shank delivers structural stiffness that reduces chatter and keeps tool deflection to a minimum during internal operations. With a clearly defined shank diameter and a robust mass of 2.786 kg, the design supports repeatable bore geometry and surface finish. This stability translates into fewer reworks and predictable cycle times when paired with appropriate machine spindle and clamping arrangements. Efficient indexable system for rapid maintenance Designed to accept DN--1506 indexable inserts, the bar enables fast insert changes and economical edge replacement. The indexable concept separates cutting edge wear from the toolholder, which reduces downtime and tooling costs over production runs. The 60 mm cutting height provides sufficient insert support for sustained contact, while the 107.5° cutting angle promotes controlled chip flow and consistent engagement in turning passes. Application fit and orientation explained Left‑hand cutting orientation is specified for machining operations that require tool approach from the opposite direction; this makes the boring bar suited to specialised set‑ups and reversing operations on certain lathes or multi‑axis machines. The 50 mm diameter at the head and the 300 mm overall length offer a compromise between reach and torsional stiffness, allowing use in deeper bores without excessive vibration when correctly supported. Integration into production and procurement The ISO designation S40T DDQNL simplifies compatibility checks with existing toolholding systems and clamping fixtures. For procurement, the clear article number K535TM and manufacturer designation ease inventory and ordering processes. Choosing this tooling through Metav Werkzeuge benefits from a quality filter in Emmerich that supports reliable supply, professional advice and access to a broad range of complementary components for successful integration. Contact Metav Werkzeuge for tailored tooling recommendations and to arrange supply of the Teknik Makina S40T DDQNL boring bar (SKU K535TM) via info@metav-werkzeuge.com or +49 2822 7131930 Technical data Article number: K535TM Manufacturer: Teknik Makina ISO designation: S40T DDQNL Product type: Boring bar for indexable inserts Facts Shank diameter: 40 mm Cutting height: 60 mm Weight: 2.786 kg Overall length: 300 mm Head diameter: 50 mm Cutting angle: 107.5° Cutting direction: Left Compatible insert: DN-- 1506 Special features For indexable inserts DN--1506 Left‑hand cutting orientation Robust construction for reduced vibration ISO designation for straightforward replacement FAQ Which inserts fit this boring bar? The Teknik Makina S40T DDQNL boring bar is specified for DN--1506 indexable inserts and should be used with inserts matching that designation for correct seating and cutting geometry. What does left‑hand cutting mean for set‑up? Left‑hand cutting indicates the cutting action is oriented for tools approaching the workpiece in the left‑hand direction; the S40T DDQNL must be mounted and oriented accordingly to ensure correct machining forces and chip flow. Is the 40 mm shank suitable for heavy cuts? A 40 mm shank offers increased rigidity compared with smaller diameters, improving resistance to deflection and making the tool appropriate for more demanding internal operations when paired with a stable machine and correct clamping. How deep can this boring bar reach effectively? With a 300 mm overall length and a 50 mm head diameter, the bar provides extended reach for deeper bores while balancing torsional stiffness; final reach capability depends on machine support and bore geometry. Which SKU and designation identify this product? This item is listed as K535TM and carries the ISO designation S40T DDQNL, marketed by Teknik Makina as a boring bar for DN--1506 indexable inserts. 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
50mm S40T DDQNR Boring Bar Right-Hand, For DN-- 1506 Inserts, 60mm Cutting Height - Teknik Makina
Take advantage of the combination of robust, vibration-damping design and precise insert compatibility for consistent bore quality; order the S40T DDQNR boring bar directly via Metav Werkzeuge or consult our specialists if technical advice is required. S40T DDQNR Boring Bar (50 mm diameter, 300 mm overall length) — Teknik Makina A S40T DDQNR Boring Bar for right-hand turning, engineered to accept DN-- 1506 indexable inserts and suited to medium-to-heavy metal-removal tasks in CNC turning operations 50 mm cutting diameter for deep reach 40 mm shank for stable clamping Compatible with DN-- 1506 inserts 300 mm overall length for extended reach High-stiffness design for consistent bore quality The S40T DDQNR is built around a 40 mm shank and a reinforced body that improves rigidity; this results in reduced vibration and a marked improvement in surface finish when machining bores. The toolholder geometry and mass distribution produce predictable cutting behaviour, helping to maintain tolerance bands during longer runs. Where tool stability matters, this robust construction supports repeatable accuracy and fewer reworks, translating to more efficient production cycles. Compatibility that reduces downtime and simplifies maintenance Designed specifically for indexable systems, the bar accepts DN-- 1506 inserts with a secure clamping interface and an effective 107.5° cutting angle for controlled chip formation. Quick insert indexing and replacement reduce non-productive time while the standardised insert family ensures spare parts availability. Because the design focuses on ease of service and interchangeability, tool change intervals become a manageable part of planned maintenance rather than an unplanned interruption. Extended reach and reliable handling for workshop throughput With a 50 mm diameter cutting face, 300 mm overall length and a 60 mm cutting height, the bar delivers reach without sacrificing stiffness. The 2.786 kg mass contributes to damping during heavy cuts, and the right-hand cutting direction matches common CNC lathe setups for immediate integration. These mechanical attributes combine to increase cycle stability and lower scrap rates, making the tool suitable for demanding turning operations where consistent productivity is required. For procurement or detailed application advice on the Teknik Cutting Tools S40T DDQNR boring bar (SKU K478TM), contact Metav Werkzeuge for specification assistance and fast supply from Emmerich — eMail info@metav-werkzeuge.com or call +49 2822 7131930 Technical data SKU: K478TM Manufacturer: Teknik Makina ISO designation: S40T DDQNR Article description: DDQN for DN-- Indexable Inserts eClass: 21180806 Dimensions & weight Cutting diameter: 50 mm Overall length: 300 mm Shank diameter: 40 mm Cutting height: 60 mm Weight: 2.786 kg Cutting angle: 107.5° Compatibility & features For indexable inserts DN-- 1506 Right-hand cutting direction Designation (EN): DDQN for DN-- Indexable Inserts Files available: 2 migration IDs FAQ What insert type does this boring bar take? The S40T DDQNR accepts DN-- 1506 indexable inserts; this indexable-insert system provides fast replacement and standardised tooling for production repeatability. Is the bar suitable for heavy cuts in steel? Yes, the S40T DDQNR is designed for medium-to-heavy metal removal; its 40 mm shank and mass provide stability for demanding turning operations. What is the overall length and how does it affect reach? The bar has a 300 mm overall length, offering extended reach for deeper bores while maintaining good rigidity for predictable results. Which cutting direction is supported? This tooling is configured for right-hand cutting, compatible with common CNC lathe setups and standard toolpost arrangements. What is the SKU for ordering and reference? Reference SKU K478TM when enquiring; Metav Werkzeuge can provide availability and technical guidance for the Teknik Cutting Tools S40T DDQNR. 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
50mm S40T DDUNL Boring Bar Left-Hand For DN-- 1506 Inserts, 40mm Shank Diameter, 300mm Length - Teknik Makina
Take advantage of rigidity, precise indexing and extended reach for reliable internal turning. With a 40 mm shank and 300 mm overall length the tool supports stable, repeatable bore machining; order via Metav Werkzeuge or consult our specialists for application advice. Boring bar S40T DDUNL – indexable-insert boring bar, 40 mm shank, left-hand cut (Teknik Cutting Tools) The Boring bar S40T DDUNL is a left-hand indexable-insert boring bar designed for internal turning tasks where rigidity and fast insert changes are required in workshop and light production environments. 40 mm shank for rigid clamping 300 mm overall length for deep reach Compatible with DN-- 1506 indexable inserts Left-hand cutting orientation for reverse cuts Maximised rigidity and reach for accurate bore machining The S40T DDUNL boring bar offers rigidity through a substantial shank diameter of 40 mm, minimising deflection during heavy cuts and long overhangs. The 300 mm overall length provides extended reach for internal operations while maintaining stability; this combination reduces vibration and improves surface finish. Where repeatable bore diameter and concentricity are critical, the toolholder’s mass and geometry support consistent results across series production without complex setup changes. Fast insert changes and efficient cutting geometry Designed for DN-- 1506 indexable inserts, the holder enables quick insert replacement to keep machine uptime high. The tool’s cutting angle of 93° and a cutting height of 60 mm are configured to offer secure seating and predictable chip flow; this simplifies process planning and reduces scrap. The left-hand cutting orientation allows reverse-direction operations and offers flexibility when paired with compatible tool post arrangements. Overall, the indexable system delivers cost-effective maintenance and predictable tool life. Suited to workshop and small-scale production workflows With a weight of 2.848 kg and robust construction, this boring bar is aimed at engineers and machinists seeking a stable solution for internal turning in general workshop and light industrial settings. The item’s designation and ISO-style naming make it straightforward to match with existing tool inventories and holders. Backed by Teknik Cutting Tools manufacturing practices and the supply reliability of Metav Werkzeuge, the product supports streamlined procurement and integration into mixed-tool environments without unnecessary complexity. Contact Metav Werkzeuge for tailored technical advice on the Teknik Cutting Tools S40T DDUNL boring bar and to arrange prompt supply from our Emmerich distribution centre Technical Data Article number: K494TM ISO designation: S40T DDUNL Brand: Teknik Cutting Tools Facts Shank diameter: 40 mm Overall length: 300 mm Diameter: 50 mm Cutting direction: left Cutting angle: 93° Cutting height: 60 mm Weight: 2.848 kg Compatible inserts: DN-- 1506 Special features Indexable-insert boring bar Designed for internal turning Robust construction for reduced deflection DDUN design for DN-- insert family FAQ Can the boring bar be used for deep internal bores? The S40T DDUNL boring bar is intended for extended reach operations; its 300 mm overall length provides access for deeper internal bores while the 40 mm shank helps control deflection. Which insert type fits this holder? This holder accepts DN-- 1506 indexable inserts; the DDUN geometry secures the insert for stable cutting and straightforward replacement. Is the cutting orientation suitable for reverse-direction turning? Yes, the left-hand cutting orientation is designed for reverse or left-handed turns and is compatible with machines and setups that require such a direction. How does the cutting angle affect performance? The 93° cutting angle supports predictable chip formation and a stable cutting edge engagement, which can improve surface finish and tool life in many internal turning applications. What should be considered when mounting the tool? Ensure a rigid clamping system for the 40 mm shank and verify insert seating for the DN-- series; correct clamping reduces vibration and enhances repeatability for production runs. 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
50mm S40T DDUNR Boring Bar For DN-- 1506 Insert, 40mm Shank, 60mm Cutting Height - Teknik Makina
Take advantage of a robust combination of rigidity and clear insert compatibility to maintain steady machining cycles and predictable set-up times; the precise geometry and measurable dimensions support consistent results on external boring operations — order technical tooling through Metav Werkzeuge or consult their specialists for application advice. S40T DDUNR Boring Bar — for DN--1506 Indexable Inserts, ø50 mm, right-hand A S40T DDUNR boring bar engineered for right-hand cutting applications, optimised for external boring with DN--1506 indexable inserts and a compact overall length for workshop versatility Right-hand cutting geometry Compatible with DN--1506 indexable inserts 50 mm outer diameter, 300 mm overall length Shank Ø 40 mm for standard toolholders Increased stability for reliable external boring This boring bar delivers notable stability through its substantial diameter and balanced mass, which is especially valuable when long overhangs are required. The combination of a 50 mm outer body and a shank Ø 40 mm means that bending is reduced and vibrations are damped, so a steady cutting motion is maintained. The measured weight of 2.848 kg contributes to inertia that smooths chip formation; the result is improved surface finish and less rework, which supports higher throughput in repetitive turning tasks. Predictable set-up and fast insert replacement Designed around the widely used DN--1506 insert format, the tool reduces set-up variability and simplifies insert sourcing. The DN--1506 compatibility ensures that cutting edges can be replaced quickly while maintaining the same clamping position and cutting geometry. The right-hand cut and the 93° cutting angle create a chip flow that is predictable under typical turning feeds, which shortens process approval times and lowers the risk of unexpected scrap during production runs. Clear dimensional control for fixture and toolholder planning Key dimensions are provided to assist planning and fixturing: 300 mm overall length, 60 mm maximum cutting height and a defined shank diameter for common holders. These numerical values allow straightforward integration into existing tool setups and CNC programmes. Where tool clearance is critical, the compact overall length helps to keep the centre of gravity closer to the spindle, which is beneficial for reducing runout effects and preserving repeatability across batches. Built for workshop reliability and compatibility Manufactured by Teknik Makina to an ISO-style designation, the bar is intended for consistent mechanical performance and uncomplicated maintenance. The standardised interface for the DN--1506 indexable inserts and the indicated clamp holder size assist with interchangeability across similar tool families. Documentation and marking include the ISO-format designation S40T DDUNR, which helps traceability in tooling inventories and supports predictable procurement cycles. For consistent external boring performance with well-known insert fitment, contact Metav Werkzeuge for application guidance on Teknik Makina tooling and supply from Emmerich — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: K414TM Manufacturer: Teknik Makina Core dimensions Outer diameter: 50 mm Shank diameter: 40 mm Overall length: 300 mm Cutting height: 60 mm Cutting angle: 93° Weight: 2.848 kg Features & compatibility ISO designation: S40T DDUNR Compatible indexable inserts: DN--1506 Cutting direction: Right-hand Clamp holder reference: 15 Suitable for standard external boring toolholders FAQ Which inserts fit this boring bar? The boring bar accepts DN--1506 indexable inserts; the S40T DDUNR interface has been specified to ensure correct seating and clamping for that insert format. Is the cutting direction right-hand or left-hand? This tool is designed with a right-hand cutting geometry and should be used accordingly in compatible toolholders and spindle orientations. What are the key dimensions to check before ordering? Verify the outer diameter (50 mm), shank Ø (40 mm) and overall length (300 mm) to ensure compatibility with existing holders and to calculate overhang and rigidity for the intended operation. How does the 93° cutting angle affect machining? The 93° angle promotes controlled chip direction and stable cutting forces during external boring, which helps to maintain surface finish and repeatable part geometry. 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
50mm S40T DDWNR Boring Bar for DN-- 1506 Indexable Inserts, 62.5° Cutting Angle - Teknik Makina
Take advantage of a robust combination of rigidity and insert compatibility to keep machining runs stable and efficient; the S40T DDWNR boring bar reduces vibration and simplifies insert changes. Order directly via Metav Werkzeuge or consult the technical team for application-specific advice. Boring bar S40T DDWNR — for DN--1506 indexable inserts, Ø50 mm, right-hand (Teknik Makina) A robust boring bar S40T DDWNR designed for right-hand turning with DN--1506 indexable inserts, suitable for precision internal turning and finishing. S40T shank with 40 mm diameter Suitable for DN--1506 indexable inserts Ø50 mm head diameter Right-hand cutting, 62.5° approach angle Engineered for stability and repeatable results The S40T DDWNR boring bar is designed to deliver rigidity and reduced chatter through a substantial shank diameter 40 mm and a compact head of Ø50 mm. The increased cross-section improves clamping stability in the tool post, which translates into more consistent surface finish and longer life for the indexable cutting edges. The specified cutting angle 62.5° minimises radial loading during right-hand cuts, helping to maintain form tolerances and reduce tool deflection on longer reaches. This combination is particularly valuable on CNC lathes and turning centres where repeatability and cycle-time stability are priorities. Flexible insert system for quick changeovers Compatibility with DN--1506 indexable inserts gives the holder a practical edge in mixed-production environments. The DDWNR geometry supports fast insert replacement and secure indexing, reducing non-productive time and lowering per-part tooling cost. As a right-hand holder, it is configured for standard turning directions while the indexable inserts allow varied edge preparations and grades to be used depending on material and finish requirements. For operations that demand both versatility and predictable chip control, this toolholder form offers a straightforward, cost-effective route to stable turning performance. Practical dimensions that support everyday workshop use With an overall length of 300 mm and a cutting height of 50 mm, the bar provides a useful reach without compromising stiffness; the mass of 2.918 kg contributes to vibration damping during heavier cuts. The ISO designation S40T DDWNR ensures standardised clamping and interchangeability across compatible toolposts, simplifying inventory and setup. This toolholder is suitable for medium-duty internal and external turning tasks where balanced tool geometry and proven insert systems deliver better throughput and less rework. For workshops seeking a robust boring solution, contact Metav Werkzeuge for availability and tailored machining advice — call +49 2822 7131930 or email info@metav-werkzeuge.com Technical Data Article number: K466TM Manufacturer: Teknik Makina Data Shaft diameter: 40 mm Cutting height: 50 mm Head diameter: 50 mm Overall length: 300 mm Weight: 2.918 kg Cutting angle: 62.5° Cutting direction: right Special features ISO designation: S40T DDWNR Suitable for DN--1506 indexable inserts Right-hand boring bar Designation (English): DDWNR for DN-- 1506 Indexable Inserts SKU: K466TM FAQ Which inserts fit this toolholder? The bar accepts DN--1506 indexable inserts; the holder geometry and pocket are designed for secure clamping of these inserts in the DDWNR configuration. Is the boring bar suitable for external turning as well as internal operations? Yes, the S40T DDWNR holder is usable for both internal and external turning where its Ø50 mm head and 300 mm overall length provide the necessary reach and stiffness. What does the ISO code S40T DDWNR indicate? The ISO designation S40T DDWNR describes the shank size and the holder style; S40T refers to the shank specification while DDWNR defines the insert pocket and orientation suitable for DN--1506 inserts. How does the 62.5° cutting angle affect machining? A 62.5° approach angle reduces radial forces and improves chip flow for right-hand operations, which helps maintain dimensional stability and surface quality during turning. Can this holder be used on CNC lathes? Yes, the robust shank and standard ISO form make the holder appropriate for CNC lathes and turning centres that accept S40T shanks; the design supports consistent clamping and repeatable 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; eMail: info@metav-werkzeuge.com
50mm S40T DWLNR Boring Bar for WN-- 0804 Indexable Inserts, 95° Cutting Angle - Teknik Makina
Take advantage of a rigid, right‑hand boring bar that pairs secure clamping with compatibility for WN-- 0804 indexable inserts; the combination of a 40 mm shank, 300 mm overall length and 95° cutting angle supports stable turning and consistent chip control — order directly via Metav Werkzeuge or consult the technical team for specification matching. Teknik Makina S40T DWLNR boring bar — tool holder for WN-- 0804 indexable inserts, 40 mm shank, 300 mm length The Teknik Makina S40T DWLNR boring bar is intended for right‑hand turning applications where stiffness, repeatability and insert compatibility are decisive. S40T DWLNR holder for WN-- 0804 inserts 40 mm shank diameter for rigid clamping 300 mm overall length for extended reach Improved process stability through high rigidity and geometry A stable cutting process begins with a robust tool body. The 40 mm shank and the holder geometry minimise vibration and deflection during turning, which translates directly into higher surface quality and longer insert life. The 95° cutting angle is engineered to balance radial and axial forces, helping to reduce chatter in interrupted cuts. By reducing tool movement, the design supports predictable tool life and consistent component tolerances, making it suitable for batch production and demanding single‑piece manufacturing alike. Reliable insert compatibility reduces setup time Compatibility with WN-- 0804 indexable inserts simplifies logistics and speeds changeovers. The holder accepts the standard insert form and secures it with a clamping arrangement indicated by the reference size 08, ensuring repeatable positioning and a constant cutting height of 60 mm. Using standardised inserts means fewer special‑order items, faster setups and easier inventory management. For shops upgrading from brazed tools, this system reduces waste and enables economical replacement of cutting edges without regrinding. Practical dimensions for diverse workshop applications With a 300 mm overall length and an effective diameter of 50 mm, the tool provides reach for deeper bores while maintaining a compact profile for stable turning. At a net weight of 2.82 kg, the bar balances mass for rigidity without imposing excessive load on turret assemblies. The right‑hand cutting orientation suits common turning directions; the holder’s ISO designation S40T DWLNR identifies its shank form and mounting standard, facilitating compatibility checks with lathes and turrets. This combination makes the component a flexible option for general turning and profiling tasks. For demanding turning operations, request the Teknik Makina S40T DWLNR boring bar via Metav Werkzeuge — our specialists at Metav Werkzeuge can confirm machine compatibility and delivery options from Emmerich. Technical data Article number: K424TM Manufacturer: Teknik Makina Facts Shank diameter: 40 mm Overall length: 300 mm Diameter: 50 mm Cutting height: 60 mm Weight: 2.82 kg Cutting angle: 95° Cutting direction: right EClass: 21180806 Special features ISO designation: S40T DWLNR Compatible with WN-- 0804 indexable inserts Clamping reference: 08 Suitable for right‑hand turning Brand: Teknik Makina FAQ Which inserts fit this tool holder? The boring bar is compatible with WN-- 0804 indexable inserts; the S40T DWLNR design secures the insert in repeatable position for consistent cutting performance. What is the shank size and why does it matter? The holder features a 40 mm shank, which increases rigidity and reduces deflection compared with smaller shanks; this improves surface finish and prolongs insert life when using the Teknik Makina boring bar (SKU K424TM). Is the tool suitable for deep‑reach turning? Yes — the 300 mm overall length provides extended reach while the 50 mm diameter and mass support stability during deeper cuts, making it practical for longer bore operations. What cutting direction is supported? This holder is configured for right‑hand cutting; the S40T DWLNR geometry and 95° cutting angle are optimised for right‑hand 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; +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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