Durable indexable inserts for efficient metalcutting
Indexable inserts are hardened cutting elements designed to deliver consistent material removal in metalworking, providing cost-effective tool life management and repeatable results for turning, milling and drilling operations. Suited for machining steel, stainless and heat-resistant alloys, these inserts offer rapid edge renewal and reduced downtime through simple indexing, while versions optimised for internal coolant significantly improve chip control and thermal management in demanding applications. By choosing the right insert grade and geometry you gain improved tool life, predictable wear behaviour and better surface finish thanks to enhanced chip control, with key benefits including wear-resistant carbide, internal coolant compatibility and reliable chip breaking.
CNMG 120412 S205 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or are you still missing technical data?No problem, just contact us!!! ☎️ Phone: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271, 📧 eMail: info@metav-werkzeuge.com Features for CNMG 120412 indexable inserts from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SMS205-SANDVIK ISO-Code: CNMG120412 Grade: S205 Material: cemented carbide Form: rhombic Clearance Angle: 0° with hole Hole Style: cylindrical hole Thickness: 4,76mm Radius: 1.2 Chip Breaker: double-sided Manufacturer: Registered trademarks and trade names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. Named brands are in no way associated or co-operate with our company. The items offered are original, brand-new goods of the Sandvik brand. 40START indexable-inserts-CNMG-120412-S205-Sandvik 40END
CNMG 120412 SF 1105 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or are you still missing technical data?No problem, just contact us!!! 📧 eMail: info@metav-werkzeuge.com, ☎️ Phone: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271 Design details for CNMG 120412 indexable inserts from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SF1105-SANDVIK Figures for the tool: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Special features Material: cemented carbide Grade: 1105 Chip Breaker: SF with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Brand names and registered trademarks are the property of their rightful owners. The indication of brand names and trademarks is for information purposes only. Mention of the brands does not imply any relationship to our company. The items offered are original, brand-new goods of the Sandvik brand. 40START indexable-inserts-CNMG-120412-1105-Sandvik 40END
CNMG 120412 SF 1115 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or are you still missing technical data?No problem, just contact us!!! ✔️ WhatsApp: +49 170 2837271, ☎️ Phone: +49 2822 7131930, 📧 eMail: info@metav-werkzeuge.com Specifications for CNMG 120412 indexable inserts from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SF1115-SANDVIK Facts and Figures: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Features Material: cemented carbide Grade: 1115 Chip Breaker: SF with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Ownership of brand names and protected trademarks remains with their owners. The mention of brands and registered trademarks is for descriptive purposes only. There is no connection whatsoever between our company and the brands mentioned. This is a brand new original product of the leading brand Sandvik. 40START indexable-inserts-CNMG-120412-1115-Sandvik 40END
CNMG 120412 SM 1105 Indexable Insert - Sandvik
Couldn't find the right insert? Don't worry, we're here for you!► Send us a photo of your insert directly by email► Send us your drawing by e-mail.► Send us your sample insert or drawing by post. Product details for indexable inserts CNMG 120412 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SM1105-SANDVIK Figures for the tool: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Special features Material: cemented carbide Grade: 1105 Chip Breaker: SM with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Ownership of brand names and protected trademarks remains with their owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. Mention of the brands does not imply any relationship to our company. The sales offer includes high-quality, new branded articles from the manufacturer Sandvik. 40START indexable-inserts-CNMG-120412-1105-Sandvik 40END
CNMG 120412 SM 1115 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or do you need further technical information?No problem - feel free to contact us! 📧 eMail: info@metav-werkzeuge.com, ☎️ Phone: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271 Specifications for CNMG 120412 indexable inserts from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SM1115-SANDVIK Figures for the tool: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Special features Material: cemented carbide Grade: 1115 Chip Breaker: SM with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Brand names and registered trademarks are the property of their rightful owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no connection whatsoever between our company and the brands mentioned. The sales offer includes high-quality, new branded articles from the manufacturer Sandvik. 40START indexable-inserts-CNMG-120412-1115-Sandvik 40END
CNMG 120412 SM 1125 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or are you still missing technical data?No problem, just contact us!!! 📧 eMail: info@metav-werkzeuge.com ✔️ WhatsApp: +49 170 2837271 ☎️ Phone: +49 2822 7131930 Information on technical features CNMG 120412 indexable inserts from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SM1125-SANDVIK Facts for the tool: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Special features Material: cemented carbide Grade: 1125 Chip Breaker: SM with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Registered trademarks and trade names are the property of their respective owners. Quotations of brand names and registered trademarks are for illustrative purposes only. Mention of the brands does not imply any relationship to our company. The sales offer includes high-quality, new branded articles from the manufacturer Sandvik. 40START indexable-inserts-CNMG-120412-1125-Sandvik 40END
CNMG 120412 SMC 1115 Indexable Insert - Sandvik
Areyou not sure whether this tool fulfils your requirements? Or do you need additional technical data?No problem - we will be happy to help you 📧 eMail: info@metav-werkzeuge.com ☎️ Phone: +49 2822 7131930 ✔️ WhatsApp: +49 170 2837271 Performance features indexable inserts CNMG 120412 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SMC1115-SANDVIK Facts for the tool: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Features Material: cemented carbide Grade: 1115 Chip Breaker: SMC with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Brand names and protected trademarks are the property of their respective owners. The mention of protected trademarks and trade names is for illustrative purposes only. There is no connection whatsoever between our company and the brands mentioned. The sales offer includes high-quality, new branded articles from the manufacturer Sandvik. 40START indexable-inserts-CNMG-120412-1115-Sandvik 40END
CNMG 120412 SMR 1105 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or do you need further technical information?No problem - feel free to contact us! 📧 eMail: info@metav-werkzeuge.com, ☎️ Phone: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271 Information on technical features for indexable inserts CNMG 120412 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SMR1105-SANDVIK Facts and Figures: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Special features Material: cemented carbide Grade: 1105 Chip Breaker: SMR with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Registered trademarks and trade names are the property of their respective owners. The mention of protected brand names and trademarks is for illustrative purposes only. There is no connection whatsoever between our company and the brands mentioned. This is a brand new original product of the leading brand Sandvik. 40START indexable-inserts-CNMG-120412-1105-Sandvik 40END
CNMG 120412 SMR 1115 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or are you still missing technical data?No problem, just contact us!!! 📧 eMail: info@metav-werkzeuge.com ☎️ Phone: +49 2822 7131930 ✔️ WhatsApp: +49 170 2837271 Product features CNMG 120412 inserts from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SMR1115-SANDVIK ISO-Code: CNMG120412 Grade: 1115 Material: cemented carbide Form: rhombic Clearance Angle: 0° with hole Hole Style: cylindrical hole Thickness: 4,76mm Radius: 1.2 Chip Breaker: SMR Chip Breaker: double-sided Manufacturer: Registered trademarks and trade names are the property of their respective owners. The mention of brands and registered trademarks is for descriptive purposes only. There is no connection whatsoever between our company and the brands mentioned. The items offered are original, brand-new goods of the Sandvik brand. 40START indexable-inserts-CNMG-120412-1115-Sandvik 40END
CNMG 120412 SMR 1125 Indexable Insert - Sandvik
Couldn't find the right insert? Don't worry, we're here for you!► Send us a photo of your insert directly by e-mail.► Send us your drawing by e-mail.► Send us a sample insert or drawing by post Product features indexable inserts CNMG 120412 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SMR1125-SANDVIK Figures for the tool: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Special features Material: cemented carbide Grade: 1125 Chip Breaker: SMR with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Registered brand names and trademarks are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. Named brands are in no way associated or co-operate with our company. The article presented is a brand-new original product of the Sandvik brand. 40START indexable-inserts-CNMG-120412-1125-Sandvik 40END
CNMG 120412 SMR 2025 Indexable Insert - Sandvik
Areyou not sure whether this tool fulfils your requirements? Or do you need additional technical data?No problem - we will be happy to help you ☎️ Phone: +49 2822 7131930, 📧 eMail: info@metav-werkzeuge.com, ✔️ WhatsApp: +49 170 2837271 Technical data indexable inserts CNMG 120412 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412SMR2025-SANDVIK ISO-Code: CNMG120412 Grade: 2025 Material: cemented carbide Form: rhombic Clearance Angle: 0° with hole Hole Style: cylindrical hole Thickness: 4,76mm Radius: 1.2 Chip Breaker: SMR Chip Breaker: double-sided Manufacturer: Registered brand names and trademarks are the property of their respective owners. The use of brand names and trademarks is for descriptive purposes only. The brands mentioned are not in any contractual relationship with our company. The article presented is a brand-new original product of the Sandvik brand. 40START indexable-inserts-CNMG-120412-2025-Sandvik 40END
CNMG 120412 T505 Wendeplatten - Tungaloy
Benefit from economical cast-iron machining and the durability of a CVD-coated carbide T505 grade combined with the ISO CNMG form and an 80° approach angle for stable turning; order the CNMG120412 T505 directly via Metav Werkzeuge or consult our advisors for tailored application support. CNMG120412 T505 ISO turning insert, CVD-coated carbide, 80° – Tungaloy A CNMG120412 T505 insert designed for ISO-standard turning, optimised for economical and productive machining of cast iron. ISO rhombic insert, 80° main cutting edge CVD-coated carbide grade T505 Double-sided chipbreaker for stability Cylindrical hole for standard clamping Longer tool life and predictable performance for cast iron work The combination of CVD-coated carbide and T505 grade provides a balance between wear resistance and edge toughness, making this insert well suited to economic machining of cast iron. The coating reduces flank wear and helps maintain a consistent cutting edge at elevated temperatures, which lengthens service intervals and lowers tooling costs per component. By choosing this grade, workshops achieve higher uptime and a more reliable process window when turning grey or ductile cast iron. Stable geometry that fits standard ISO CNMG holders The rhombic ISO CNMG geometry with an 80° approach angle and a 1.2 mm nose radius offers a compromise between strength and surface finish. The 4.76 mm thickness and 12 mm inscribed circle ensure mechanical rigidity in many external and internal turning setups. The insert is supplied with a cylindrical hole, enabling secure clamping in conventional toolholders; compatibility depends on form, relief angle, tolerance class, fastening method, size and thickness. The ISO standardisation simplifies tool selection and reduces inventory complexity. Controlled chip formation and process security for productive turning A double-sided chipbreaker promotes reliable chip control and repeatable cutting behaviour, especially in interrupted or semi-continuous cuts. This geometry assists in breaking chips into manageable segments, reducing rework and improving operator safety. The insert’s features support higher material removal rates in stable setups while maintaining acceptable surface quality. For applications where stability varies, selecting the appropriate chipbreaker and adjusting cutting parameters will further increase productivity and extend insert life. Contact Metav Werkzeuge for application-matched sets of original Tungaloy CNMG120412 T505 inserts and practical advice on optimal chipbreakers, feeds and cutting speeds. Technical data Article number: 6793660 SKU: 6793660-Tungaloy Manufacturer SKU: TUN6793660 Brand: Tungaloy Model series: ISO turning inserts Facts Nose radius: 1.2 mm Approach angle: 80° Thickness: 4.76 mm Inscribed circle: 12 mm Special features Carbide, CVD-coated Grade T505 Double-sided chipbreaker Rhombic plate form With cylindrical hole Suitable for turning (external and internal) Intended for cast iron machining FAQ What materials is this insert intended for? The CNMG120412 T505 insert is designed primarily for machining cast iron; the T505 grade and CVD coating support economical removal and stable edge life in cast-iron applications. How does the ISO CNMG form affect holder compatibility? Compatibility is determined by the CNMG form, relief angle, tolerance class, fastening method, size and thickness; the CNMG120412 follows ISO dimensions to fit standard CNMG holders. What advantage does the 1.2 mm nose radius provide? A 1.2 mm nose radius balances edge strength and surface finish, enabling moderate feeds with improved tip robustness for turning operations. Is the insert indexed or reversible? The insert is double-sided with a chipbreaker on each effective edge, allowing indexing to present a fresh cutting edge and thus prolonging usable life. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T505 Wendeplatten - Tungaloy
Benefit from the combination of cost-efficient CVD-coated carbide, a double-sided chipbreaker and ISO compatibility to improve throughput in cast iron turning; order availability and expert advice are offered via Metav Werkzeuge. CNMG 120412 T505 — Tungaloy indexable insert for turning, CVD-coated carbide The CNMG 120412 T505 is an ISO rhombic indexable insert designed for economical turning, optimised for cast iron machining with 0° relief and an 80° included angle CVD-coated carbide for consistent wear resistance Optimised for economical cast iron turning Double-sided chipbreaker for reliable chip control ISO rhombic 80° form with cylindrical hole Higher productivity through optimised grade and chip control The CVD-coated carbide grade T505 delivers a balance of tool life and cutting economy when machining cast iron; the coating reduces flank wear and supports stable cutting at practical feeds and speeds. Combined with a double-sided chipbreaker, this geometry promotes consistent chip control and reduces downtime for rework. The design aims to lower overall machining cost per component by extending the interval between index changes and maintaining surface integrity, making it a pragmatic choice for medium- to high-volume turning operations. Predictable compatibility and straightforward assembly Designed to ISO specifications, the insert matches common holder systems when form, relief angle, tolerance class, fastening and thickness align. The rhombic 80° shape with a cylindrical mounting hole and a 1.2 mm corner radius enables straightforward seating in standard indexable holders, while the nominal thickness of 4.76 mm provides robust clamping stability. In practice, the system comprises the indexable insert, a compatible outer holder or boring bar, a shim or clamp set and replacement screws — a modular approach that simplifies tool management on the shop floor and eases repeatable setup. Process stability and selection guidance for reliable results For reliable machining results, select the chipbreaker and T505 grade according to workpiece stability, interrupted cuts and desired cutting speeds. The rhombic insert supports both external and internal turning when paired with a suitable holder; its 0° relief angle is particularly useful for certain finishing and semi-finishing operations on cast iron. Production engineers benefit from the insert’s repeatable performance and the option to optimise cutting data for component geometry, which together improve throughput and reduce scrap rates while maintaining consistent surface quality. Request application advice or stock confirmation from Metav Werkzeuge to specify the CNMG 120412 T505 for current turning tasks — contact info@metav-werkzeuge.com or call +49 2822 7131930 for immediate assistance Technical data Article number: 6793656-Tungaloy Manufacturer SKU: TUN6793656 Model series: ISO turning indexable inserts Material: Carbide Facts Size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Included angle: 80° Relief angle: 0° Special features Grade: T505 (CVD-coated carbide) Double-sided chipbreaker Rhombic plate shape (CNMG) With cylindrical mounting hole Application: Turning, especially cast iron ISO designation: CNMG120412 Compatible with standard ISO holders FAQ Which materials is this insert suited for? The CNMG 120412 T505 indexable insert from Tungaloy is optimised for economical machining of cast iron; the CVD-coated carbide grade supports consistent wear behaviour for typical grey and nodular cast irons. How is holder compatibility determined? Compatibility is established by insert form, relief angle, tolerance class, fastening method, size and thickness; matching these parameters ensures correct seating of the CNMG 120412 T505 in standard ISO holders. Is the insert reversible and what is the benefit? Yes — the insert is double-sided, allowing both cutting edges to be used; this increases the number of available cutting edges per insert and improves cost-efficiency in production. What does the 0° relief angle mean for machining? A 0° relief provides a neutral clearance suited to many turning operations; when combined with the rhombic 80° geometry, it offers a stable cutting edge for finishing and semi-finishing on cast iron. What system components are required for use? A complete system typically includes the indexable insert, a matched outer holder or boring bar, an appropriate shim or clamp set and replacement screws to secure the insert reliably. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5105 Wendeplatten - Tungaloy
Take advantage of a CVD-coated carbide grade designed for high‑speed cast‑iron turning and ISO compatibility to maintain stable production and consistent surface quality; order genuine Tungaloy inserts directly via Metav Werkzeuge or consult our specialists for application advice. CNMG 120412 T5105 turning insert — CVD‑coated carbide by Tungaloy The CNMG120412 T5105 is an ISO‑standard indexable turning insert for stable, high‑speed machining of cast iron, intended for both external and internal turning operations. CVD‑coated carbide T5105 Designed for high‑speed cast iron turning ISO CNMG 120412 rhombic format Dual‑sided chipbreaker, cylindrical hole Consistent wear performance for high‑speed turning The CVD‑coated carbide grade T5105 delivers reliable wear resistance under high‑speed conditions, extending insert life and reducing downtime. The chemical vapour deposition coating forms a hard, heat‑resistant layer that retards flank and crater wear during extended cycles, which means fewer indexings and steadier surface finishes. For production environments focused on throughput, the combination of a robust carbide substrate and CVD protection translates into measurable gains in process stability and lower tool‑related interruptions. Predictable fit and rigidity for repeatable results Designed to the ISO CNMG form, the rhombic insert with its 80° principal angle and 0° clearance ensures predictable seating in standard holders; compatibility is determined by form, free angle, tolerance class, fastening, size and thickness. The insert thickness of 4.76 mm and 12 mm size fit common external holders and boring bars, while the cylindrical hole facilitates secure clamping and correct orientation. These dimensional standards allow easy tool‑change routines and support reproducible part quality across batches. Practical selection and recommended use in production Select the dual‑sided chipbreaker variant and the T5105 grade when working on cast iron under stable, well‑supported conditions to exploit the insert’s high‑speed capability. The moderate corner radius of 1.2 mm is a good compromise between edge strength and surface finish; larger radii increase edge durability, smaller radii improve detail and form accuracy. For system setup, pair the insert with a compatible ISO holder, a correct underlay or clamp kit and replacement screws to ensure consistent clamping force and repeatable results. When in doubt, consult production data sheets or our technical advisors for cutting speed and feed recommendations tailored to the workpiece and machine rigidity. Choose genuine Tungaloy CNMG 120412 T5105 inserts via Metav Werkzeuge for immediate availability and expert application advice — contact Metav Werkzeuge by e‑mail at info@metav-werkzeuge.com or by phone at +49 2822 7131930 to discuss suitability for specific turning tasks Technical data Article number: 6850137 Manufacturer article number: TUN6850137 SKU: 6850137-Tungaloy Brand: Tungaloy Model series: ISO‑turning inserts Material: carbide Grade: T5105 Facts Corner radius: 1.2 mm Thickness: 4.76 mm Size: 12 mm Main angle: 80° Clearance angle: 0° Special features CVD‑coated carbide Dual‑sided chipbreaker Rhombic insert form Cylindrical hole ISO CNMG 120412 designation Intended application: turning Suitable for high‑speed machining of cast iron FAQ What materials is this insert best suited for? The CNMG120412 T5105 insert is formulated for high‑speed machining of cast iron; the CVD‑coated carbide grade provides wear resistance suited to stable turning conditions. Will this insert fit standard CNMG holders? Yes, the CNMG120412 follows ISO dimensions, so compatibility with standard CNMG holders is determined by form, free angle, tolerance class, fastening, size and thickness. What does the T5105 designation indicate? T5105 denotes a CVD‑coated carbide grade engineered for wear resistance during high‑speed turning, offering a balance of edge stability and coating adhesion. How does the dual‑sided chipbreaker affect performance? The dual‑sided chipbreaker supports reliable chip control in both orientations, improving surface quality and enabling economical use of multiple indexed cutting edges. Which corner radius and thickness considerations apply for finishing vs roughing? A 1.2 mm corner radius and 4.76 mm thickness deliver a compromise between edge life and surface finish; for heavy roughing select larger radii and ensure adequate machine rigidity. Manufacturer/Responsible: Tungaloy‑NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand‑new product from the manufacturer.
CNMG 120412 T5105 Wendeplatten - Tungaloy
Benefit from the combination of a CVD-coated carbide grade T5105, the ISO‑standard CNMG120412 form and a double‑sided chipbreaker for efficient, high‑speed turning of cast iron; order directly via Metav Werkzeuge or consult our technical advisors for application‑specific guidance. CNMG120412 T5105 CNMG 120412 T5105 turning insert by Tungaloy — CVD-coated carbide, rhombic 80° A CNMG120412 T5105 indexable turning insert engineered for high‑speed finishing and medium‑to‑heavy roughing of cast iron in stable turning conditions CNMG120412 indexable insert, ISO rhombic 80° CVD-coated carbide grade T5105 for cast iron Double-sided chipbreaker for consistent chips Cylindrical hole, compatible with standard holders High‑speed performance with wear resistance The CVD‑coated carbide grade T5105 is formulated for sustained cutting at elevated speeds while maintaining edge stability when machining cast iron. The chemical vapour deposition layer increases resistance against abrasive wear and thermal softening, which translates into longer tool life and fewer insert changes during production runs. For operations that demand repeatable turning results, this combination of coating and substrate delivers measurable gains in cycle time and consistent surface quality. Secure fit and ISO compatibility for flexible use The ISO CNMG geometry in a rhombic 80° form ensures broad compatibility with a wide range of external holders and boring bars; compatibility is determined by form, clearance angle, tolerance class, attachment method, size and thickness. The insert is supplied with a cylindrical hole and a plate thickness of 4.76 mm, facilitating straightforward clamping with standard underplates, clamp sets and replacement screws. Specifying the correct holder geometry and tolerance class guarantees repeatable seating and concentricity for accurate turning operations. Reliable chip control for steady productivity A double‑sided chipbreaker provides controlled chip formation across both cutting edges, reducing the risk of entanglement and simplifying chip evacuation on conventional and high‑feed turning passes. By choosing a chipbreaker matched to material and cutting conditions, chip shape and breakage become predictable, which improves surface finish and reduces machine downtime caused by manual chip clearing. The combination of a defined corner radius 1.2 mm and the chip control design supports a balance between edge strength and cutting forces for robust, productive machining. Handling, indexing and process recommendations With a plate size of 12 mm and a corner radius of 1.2 mm, the insert supports a range of feed and depth settings; the two usable cutting edges per side extend effective tool life through indexing. The clearance or relief angle of 0° suits applications where positive seating and repeatable geometry are required. For best results, match the T5105 grade to cast iron under stable machine and workpiece clamping conditions and select cutting parameters that reflect the chosen depth of cut and feed. The insert’s nominal thickness and hole style simplify replacement routines and spare‑parts logistics in production environments. For procurement or detailed process advice on Tungaloy T5105 inserts, contact Metav Werkzeuge for tailored recommendations and availability at info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6850139 SKU: 6850139-Tungaloy Manufacturer SKU: TUN6850139 Model series: ISO‑Drehwendeschneidplatten Material: carbide Facts Thickness: 4.76 mm Size (inscribed circle): 12 mm Corner radius: 1.2 mm Included angle: 80° Clearance angle: 0° Special features CVD‑coated carbide (T5105) Double‑sided chipbreaker Rhombic insert form (CNMG) With cylindrical hole Suitable application: turning (Drehen) ISO designation: CNMG120412 FAQ What materials is this insert optimised for? The CNMG120412 T5105 insert is optimised for machining cast iron; the T5105 grade and CVD‑coating are selected to resist abrasive wear typical of these materials. How many cutting edges are available per insert? The insert features a double‑sided design, offering multiple indexable edges to extend service life through re‑indexing. Which holder types are compatible with this insert? Compatibility depends on form, clearance angle, tolerance class, attachment and thickness; the rhombic CNMG form and cylindrical hole fit standard external holders and boring bars designed for ISO inserts. Is the insert suitable for heavy roughing passes? Under stable clamping and appropriate parameter selection, the combination of a 1.2 mm corner radius and T5105 carbide supports productive roughing as well as finishing passes. Can the coating withstand high cutting speeds? Yes—the CVD layer on the T5105 grade improves thermal and abrasive resistance, making the insert suitable for elevated cutting speeds in cast iron turning. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand‑new product from the manufacturer.
CNMG 120412 T5105 Wendeplatten - Tungaloy
Take advantage of the combination of CVD-coated T5105 carbide and the ISO-standard CNMG geometry for reliable, high-speed turning of cast iron; order directly via Metav Werkzeuge or consult our technical advisors for application-specific recommendations. CNMG 120412 T5105 — Tungaloy turning insert for cast iron, CVD-coated A CNMG120412 T5105 Tungaloy turning insert designed for external and internal turning of cast iron under stable, high‑speed conditions, compatible with standard ISO CNMG holders CVD-coated carbide for high-speed machining Rhombic CNMG shape with 80° approach angle Double-sided chipbreaker for improved chip control Cylindrical hole, compatible with ISO clamping systems High-speed performance optimised for cast iron The T5105 grade is a CVD-coated carbide developed for wear resistance in demanding, high‑speed machining of cast iron. The coating and substrate interaction reduces flank wear and maintains cutting edge integrity, so tool life is extended under stable cutting conditions. For shops seeking consistent cycle times, this insert offers a predictable performance profile that supports efficient production runs while reducing unplanned tool changes. Geometry engineered for repeatable accuracy The rhombic CNMG form with an 80° approach angle and a 1.2 mm nose radius provides a balance between strength and accessible contouring. The 0° relief (rake) angle and standard thickness ensure compatibility with ISO CNMG holders; clamping, tolerance class, size and thickness determine fit and must be checked against the chosen toolholder. This geometry delivers reliable dimensional control and surface finish when combined with the appropriate holder and machine rigidity. Better chip control and process reliability A double-sided chipbreaker is integrated to promote consistent chip formation when turning cast iron, improving evacuation and reducing the risk of recutting. Under stable setups the insert supports higher cutting speeds and steady metal removal rates, contributing to improved productivity and lower cycle variation. The practical result is a machining process that can be run with greater confidence in repeatability and component quality. Practical system considerations and selection advice The insert functions as part of a system: the indexable plate, an appropriate external holder or boring bar, a shim/clamping set and the correct mounting screw together determine overall performance. Select the chipbreaker style and grade to match workpiece material, operation type and machine stability. If optimising cutting data or holder choice is required, technical consultation is recommended to align tool selection with intended applications and to avoid compromise in productivity. For tailored recommendations on the Tungaloy T5105 grade and to ensure the correct holder compatibility, contact Metav Werkzeuge for expert advice and immediate availability. Technical data Article number: 6852910 Manufacturer SKU: TUN6852910 SKU: 6852910-Tungaloy Model series: ISO-Drehwendeschneidplatten Core specifications Shape: rhombic CNMG Designation: CNMG120412 Size: 12 mm Thickness: 4.76 mm Nose radius: 1.2 mm Relief angle: 0° Approach angle: 80° Hole: cylindrical hole Corner configuration: with hole Materials & features Substrate: cemented carbide Coating/grade: T5105 (CVD-coated) Chipbreaker: double-sided Application: turning (external and internal) Typical use: high-speed machining of cast iron under stable conditions System components referenced: insert, holder, shim/clamping set, mounting screws FAQ What materials is this insert suited for? The Tungaloy CNMG120412 T5105 insert is optimised for machining cast iron, offering wear resistance and reliable chip control under stable, high‑speed conditions. How does the T5105 grade affect tool life? The CVD-coated T5105 grade reduces flank wear and maintains cutting-edge integrity, which typically extends tool life compared with uncoated grades in similar conditions. Is the insert compatible with standard CNMG holders? Compatibility is determined by form, relief angle, tolerance class, clamping method, size and thickness; the CNMG120412 geometry is ISO standard and fits holders designed for CNMG inserts when specifications match. Can this insert be used for internal turning? Yes, the rhombic geometry and double-sided chipbreaker allow the insert to be used for both external and internal turning operations when mounted in a suitable boring bar. What are the advantages of the double-sided chipbreaker? A double-sided chipbreaker improves chip formation and evacuation, reducing the risk of recutting and supporting more stable cutting at higher speeds, which enhances productivity. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5105 Wendeplatten - Tungaloy
Take advantage of a robust, CVD-coated carbide grade and precise ISO geometry for steady, high-speed turning of cast iron components; the design reduces downtime and improves surface quality. Order the insert or request technical advice directly via Metav Werkzeuge for fast supply and application support. CNMG 120412 T5105 indexable insert for turning — Tungaloy The CNMG120412 T5105 is an ISO-standard rhombic indexable insert for external and internal turning, engineered for high-speed machining of cast iron under stable cutting conditions. CVD-coated carbide for high wear resistance Double-sided insert with cylindrical hole 1.2 mm corner radius for profile versatility ISO-standard rhombic insert, 80° geometry Greater productivity through wear-resistant cutting grade The CVD-coated carbide substrate of this insert delivers sustained edge life and predictable wear progression when machining grey or nodular cast iron at elevated speeds. The T5105 grade is formulated to tolerate thermal loads and abrasion, which means fewer tool changes and longer uninterrupted runs — a clear contribution to higher overall equipment effectiveness and reduced unit costs. This advantage is particularly relevant for batch production and components requiring consistent surface finish. Secure mounting and standardised holder compatibility Designed to ISO geometry, the insert matches conventional clamping systems when holder form, free angle, tolerance class, fastening method, size and thickness are observed. The cylindrical hole and central locating features ensure stable seat and reliable torque transmission to the toolholder, reducing micro-movement during interrupted cuts. As a result, set-up time is shortened and repeatability between assemblies is improved, aiding quicker changeovers on multi-shift shop floors. Controlled profile and dimensional reliability The 1.2 mm corner radius and double-sided chipbreaker layout enable consistent profile control with balanced metal removal. The rhombic shape and an 80° included angle help maintain contact conditions favourable for turning operations, while the 4.76 mm plate thickness increases rigidity at the cutting edge. Together these characteristics support tighter tolerances on turned parts and reduce the need for downstream finishing, contributing to process efficiency and part quality. Clear material and coating information for predictable performance This indexable plate is produced from a carbide substrate with a CVD-coated wear layer and labelled T5105 for application in high-speed cast-iron turning under stable conditions. The coating improves thermal and abrasive resistance while the carbide core preserves toughness at the cutting edge. When combined with a matching holder and correct cutting data, the insert offers reproducible results and a manageable maintenance cycle for production environments. For application advice, compatibility checks or to request stock and lead-time details for Tungaloy’s T5105 inserts, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 — our specialists will assist with selection and ordering. Technical data Article number: 6850142 Manufacturer SKU: TUN6850142 Brand: Tungaloy Designation: CNMG120412 T5105 Tungaloy indexable insert Facts Size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Included angle: 80° Relief angle: 0° Special features Material: carbide Coating / grade: T5105 (CVD-coated) Shape: rhombic Hole: with cylindrical hole Chipbreaker: double-sided Application: turning; high-speed machining of cast iron under stable conditions FAQ What materials is this insert suited for? The CNMG120412 T5105 insert is optimised for machining cast iron at high cutting speeds; the T5105 CVD-coated carbide provides abrasion and thermal resistance suited to that material class. How is the insert mounted in a toolholder? Compatibility depends on ISA geometry and holder details: form, free angle, tolerance class, fastening method, size and thickness determine fit; the cylindrical hole secures the plate reliably in ISO-style holders. Can the insert be indexed to expose fresh cutting edges? Yes — the plate is double-sided, allowing indexation to a fresh edge by flipping the insert, which extends usable tool life and improves operational economy. What does the T5105 grade indicate? T5105 identifies a CVD-coated carbide grade designed for wear resistance under high-speed conditions, offering a balance of thermal stability and abrasive protection for cast-iron turning. Will this insert fit standard CNMG holders? The insert conforms to ISO CNMG dimensions (CNMG120412); successful fit requires matching holder geometry and thickness. Verification of holder form and clamping arrangement is recommended before production use. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5115 Tungaloy Wendeplatten - Tungaloy
Take advantage of the combination of CVD-coated carbide wear resistance, precise 80° rhombic geometry, and a 1.2 mm corner radius for stable, productive turning operations; order the insert directly via Metav Werkzeuge or consult our specialists for application advice. CNMG 120412 T5115 indexable turning insert — Tungaloy, ISO-series, for turning A CNMG120412 T5115 indexable insert for turning applications, designed for reliable chip control and long tool life in cast iron machining. CVD-coated carbide for long tool life Universal grade optimised for cast iron 80° rhombic geometry for versatile turning Double-sided chipbreaker, with central hole Consistent cutting performance through controlled chip formation The CVD-coated carbide grade T5115 combines wear resistance with edge stability to deliver longer tool life in abrasive workpieces. The insert’s double-sided chipbreaker promotes predictable chip formation, reducing interruptions from built-up edge and improving cycle time consistency. For turning operations in cast iron, this balance lowers tooling costs per component and reduces unscheduled tool changes, supporting steady production output. Geometry engineered for repeatable, accurate turning The rhombic outline with an 80° included angle and a 1.2 mm corner radius yields a balance of strength and versatility: the geometry enables secure engagement for general turning while allowing light chamfering or profile work where required. The insert’s rhombic form and 0° clearance facilitate compatibility with a wide range of holders, helping to maintain dimensional repeatability and surface quality on turned components. System compatibility and practical handling in the tool room As part of an ISO-series system, the insert is designed to fit compatible external holders or boring bars when form, clearance angle, tolerance class, fastening method, size and thickness match. The plate thickness of 4.76 mm and the cylindrical central hole ensure reliable clamping and simple indexing. Integrating this indexable insert into an established holder setup cuts setup time and streamlines inventory management for production workshops. Clear material guidance and application advantages Intended primarily for turning, the grade is a universal solution for cast iron, providing an operationally robust option where a balance between edge strength and wear resistance is required. The insert supports a wide range of turning tasks — from roughing to medium finishing — and its ISO conformity simplifies selection. If uncertainty remains about suitability for a specific job, supplementary technical data and machining parameters are available to aid the selection process. For tailored recommendations on the Tungaloy CNMG120412 T5115 insert and assistance with tooling configuration, contact Metav Werkzeuge quoting SKU TUN6852911. Technical data Article number: 6852911-Tungaloy Manufacturer SKU: TUN6852911 Manufacturer article number: 6852911 Core data ISO designation: CNMG120412 Corner radius: 1.2 mm Plate thickness: 4.76 mm Plate size: 12 mm Included angle: 80° Clearance angle: 0° Hole: with hole (cylindrical) Materials & features Material: carbide Coating: CVD Grade: T5115 Shape: rhombic Chipbreaker: double-sided Typical application: turning (external and internal) Compatibility: ISO indexable insert system FAQ What workpieces is this insert best suited for? The CNMG120412 T5115 insert is optimised for machining cast iron, offering a balance of wear resistance and edge stability suitable for general turning tasks. Can this insert be used in standard ISO holders? Yes, the insert follows ISO dimensions; compatibility depends on matching holder form, clearance angle, tolerance class, fastening and thickness — the CNMG120412 designation helps ensure correct matching. How is the insert clamped and indexed? The insert has a cylindrical central hole for secure clamping and is double-sided, allowing indexing to a fresh cutting edge when required. Which carbide grade and coating are used? This product uses a carbide substrate with a CVD coating in grade T5115, engineered for cast iron applications. What is the manufacturer SKU for ordering or stock reference? The manufacturer SKU is TUN6852911; the distributor article number is 6852911-Tungaloy. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5115 Wendeplatten - Tungaloy
Take advantage of a balanced combination of CVD-coated carbide and an 80° rhombic geometry for controlled chip flow and consistent edge life; request a tailored holder check from Metav Werkzeuge or consult our specialists for compatibility and stocking information. CNMG120412 T5115 turning insert (ISO, rhombic, 80°) by Tungaloy CNMG120412 T5115 is an ISO-format turning insert designed for external and internal turning applications, offering a universal grade for cast iron with stable cutting-edge performance CVD-coated carbide grade T5115 Universal grade for cast iron Double-sided chipbreaker ISO rhombic form, 80° geometry High wear resistance for longer uninterrupted production The combination of CVD-coated carbide and the T5115 grade provides a reliable balance between wear resistance and edge stability, suitable for continuous machining of cast iron. CVD (chemical vapour deposition) delivers a hard, adherent coating layer that reduces abrasive wear and temperature-related edge breakdown; this translates into fewer insert changes and more productive cutting cycles. The universal grade is formulated to manage a range of cast-iron microstructures, so the component life of the cutting edge is extended while maintaining consistent surface quality. Consistent chip control and reduced rework A double-sided chipbreaker integrated into the insert geometry promotes predictable chip formation and evacuation, which is essential when machining interrupted or heavy cuts. Effective chip control reduces the risk of surface damage and tool collisions, contributing to improved first-pass yield and less post-process finishing. The rhombic shape and 80° main cutting-edge angle help distribute cutting forces evenly, supporting stable turning operations and steady feed behaviour under varying depths of cut. Seamless fit into ISO turning systems for quick set-up The rhombic plate with a cylindrical locating hole, a plate thickness of 4.76 mm and a corner radius of 1.2 mm matches standard ISO clamping systems; compatibility depends on holder form, clearance angle, tolerance class, fastening method, size and thickness. The 0° clearance angle and the ISO sizing simplify tool selection and replacement in modular toolholders, reducing set-up time and ensuring repeatable positioning. Where required, the system includes a suitable underlay or clamping set and replacement screws to restore clamping accuracy quickly. For cast-iron turning applications where predictable edge life and robust chip control matter, contact Metav Werkzeuge for technical advice and availability: info@metav-werkzeuge.com | +49 2822 7131930 Technical data Article number: 6850143 Manufacturer SKU: TUN6850143 SKU: 6850143-Tungaloy Designation: CNMG120412 T5115 Material: carbide Shape: rhombic Hole: with hole (cylindrical hole) Facts Main angle: 80° Insert size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Clearance angle: 0° Special features CVD-coated carbide grade T5115 Universal grade for cast iron Double-sided chipbreaker ISO turning insert series Compatible with standard holders (form, clearance, tolerance, fastening, size, thickness determine compatibility) FAQ What materials is this insert best suited for? This insert is optimised for cast iron work; the T5115 CVD-coated carbide grade offers a balance of wear resistance and edge stability for a wide range of cast-iron grades. Is the insert reversible and usable on both sides? Yes, the plate is double-sided with a chipbreaker on each cutting edge, allowing rotation and reuse of the second side to extend usable life. Which geometry should be checked for holder compatibility? Check form, clearance angle, tolerance class, fastening type, insert size and thickness for compatibility; the CNMG120412 format follows ISO dimensions and uses a cylindrical locating hole. What benefits does the 80° rhombic form provide in turning? The 80° geometry provides strength on the cutting edge and good access for finishing passes, helping to maintain dimensional control and surface quality during external and internal turning. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5115 Wendeplatten - Tungaloy
Take advantage of a CVD-coated cemented carbide grade that balances wear resistance and edge stability for productive cast-iron turning, combined with the ISO CNMG120412 form for broad holder compatibility; order genuine inserts or request application advice from Metav Werkzeuge. CNMG120412 T5115 CNMG turning insert (Tungaloy) — CVD-coated carbide, 80° rhombic The CNMG120412 T5115 is an ISO rhombic, CVD-coated cemented carbide turning insert designed for efficient external and internal turning, optimised for cast-iron applications. CVD-coated carbide grade T5115 For productive cast-iron turning 80° rhombic geometry with 1.2 mm radius Double-sided chipbreaker, cylindrical hole ISO CNMG120412 — ISO-compatible form Engineered for productive cast-iron turning The combination of a CVD-coated surface and a balanced carbide substrate provides a reliable compromise between abrasion resistance and edge robustness. This grade is described as a universal solution for cast iron, enabling consistent chip control when paired with the appropriate chipbreaker and cutting parameters. The rhombic geometry with an 80° approach angle reduces cutting forces in many external and internal turning tasks, which contributes to longer tool life and stable process windows. Compatibility and system integration for reliable machining Compatibility with toolholders is determined by the insert's form, relief angle, tolerance class, attachment and thickness; the ISO designation guarantees that CNMG120412 fits standard ISO CNMG holders when the holder matches the insert’s dimensions. The presence of a cylindrical locating hole and a 4.76 mm plate thickness supports secure clamping and repeatable positioning in a typical insert assembly consisting of holder, shim and clamping screw. Consistent chip control and edge stability for repeatable results The double-sided chipbreaker design and the T5115 grade work together to produce predictable chips and surface finishes on a wide range of grey and nodular cast irons. Improved chip shaping reduces downtime caused by entanglement and eases chip evacuation in both batch and continuous turning operations. The insert’s 1.2 mm corner radius helps to moderate cutting edge engagement, which is beneficial for medium-duty machining where a compromise between strength and surface finish is required. Practical guidance for selection and handling When selecting an insert for a specific job, prioritise the correct chipbreaker and the right grade for cast iron; stable setup and correct feeds and speeds will leverage the insert’s durability. Inserts are reversible where applicable, allowing use of both cutting edges to maximise economy per index. For critical programmes, pairing this rhombic insert with a suitably rated external holder and verifying runout and clamping torque will improve consistency in production. For tailored holder recommendations or to secure a supply of genuine Tungaloy CNMG120412 T5115 inserts, contact Metav Werkzeuge via info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6850140 Manufacturer SKU: TUN6850140 SKU: 6850140-Tungaloy Article name: CNMG120412 T5115 Tungaloy insert Facts Geometry angle: 80° Corner radius: 1.2 mm Plate thickness: 4.76 mm Inscribed circle/size: 12 Relief angle: 0° Hole: with hole Special features CVD-coated cemented carbide Universal grade for cast iron (T5115) ISO CNMG120412 rhombic form Double-sided chipbreaker Cylindrical locating hole ISO-standard insert for turning FAQ What materials is this insert suitable for? The T5115 grade is designed as a universal solution for cast iron machining; the CNMG120412 T5115 insert performs best when used on grey and nodular cast irons with matching cutting data. Which toolholders are compatible with this geometry? Compatibility is based on the ISO CNMG120412 form: holders and boring bars that accept CNMG inserts and match the plate thickness, locating hole style and relief angle will fit the Tungaloy insert. How does the T5115 grade affect tool life and surface finish? T5115’s CVD coating improves wear resistance and the balance between edge stability and abrasion performance, supporting longer tool life and consistent surface quality in standard turning operations. Is the insert reversible and how many cutting edges are available? The CNMG120412 is double-sided with a double-sided chipbreaker, allowing the use of multiple cutting edges; correct indexing and clamping ensure repeatable placement and performance. What parameters improve chip control with this insert? Selecting the appropriate feed, depth of cut and matching the double-sided chipbreaker to the workpiece material will produce controlled chips and reduce the risk of entanglement in both short and long turning cycles. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5115 Wendeplatten - Tungaloy
Benefit from a cost-effective, CVD-coated carbide insert that combines wear resistance and edge stability for reliable machining; order the insert directly via Metav Werkzeuge or consult our specialists for application advice. CNMG120412 T5115 indexable turning insert – Tungaloy, CVD-coated carbide, 80° rhombic The CNMG120412 T5115 is an ISO-standard indexable insert designed for general turning applications, offering a universal grade tailored to cast iron with a balance of wear resistance and cutting-edge stability. CVD-coated carbide T5115 Universal grade for cast iron Double-sided chipbreaker ISO CNMG120412, rhombic form Efficient wear control for longer tool life The CVD coating applied to the carbide substrate provides a hard, thermally stable layer that reduces abrasive wear and helps maintain the cutting edge under continuous loads. Combined with the T5115 grade’s balanced formulation, the insert delivers consistent performance when turning cast iron, extending intervals between indexings. Using a double-sided design halves the cost per cutting edge compared with single-sided alternatives while maintaining predictable behaviour under moderate cutting parameters. Geometry that supports consistent surface quality The insert’s rhombic CNMG geometry and 80° approach angle deliver a robust cutting face suitable for a wide range of external and internal contours. The 1.2 mm corner radius helps produce a smooth surface finish while resisting notch wear in interrupted cuts. At a plate thickness of 4.76 mm, the insert achieves the stiffness required for stable turning, and the neutral 0° clearance contributes to a reliable contact zone, especially in applications where tool support and repeatability are critical. Seamless integration into ISO tooling systems As part of the ISO turning insert family, the CNMG120412 format fits conventional external holders and boring bars when matched for form, tolerance class and thickness. The cylindrical hole style allows secure clamping with standard screws and backplates, simplifying tool assembly and replacement. The system approach—indexable insert, appropriate holder or boring bar, and clamping set—ensures reproducible mounting and straightforward inventory management across machining centres. Productivity advantages and process stability Optimised for cast iron, the grade delivers a compromise between edge stability and resistance to flank wear, which translates into steady cycle times and fewer unplanned tool changes. Effective chip control from the double-sided chipbreaker reduces the risk of re-cutting and helps maintain surface integrity. The combination of coating, grade and geometry supports improved productivity by reducing downtime and enabling consistent batch-to-batch results in series turning operations. Contact Metav Werkzeuge for tailored cutting data and ordering options for Tungaloy indexable inserts; our consultants are available to discuss compatibility, cutting parameters and delivery—email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6735867 SKU: 6735867-Tungaloy Manufacturer SKU: TUN6735867 Model series: ISO-Drehwendeschneidplatten Designation: CNMG120412 T5115 Facts Insert size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Clearance angle: 0° Approach/lead angle: 80° Hole: cylindrical Special features Material: carbide Coating: CVD-coated Chipbreaker: double-sided Shape: rhombic (CNMG) Compatibility: ISO holders and boring bars Application: external and internal turning; suitable for cast iron FAQ What materials is this insert recommended for? The CNMG120412 T5115 indexable insert from Tungaloy is a universal grade optimised primarily for cast iron; its combination of CVD-coated carbide and balanced edge properties also makes it suitable for a range of ferrous materials when cutting data are adjusted. What are the key geometry and mounting details to check? Check the insert size 12 mm, thickness 4.76 mm and corner radius 1.2 mm; the CNMG shape with an 80° approach angle and a cylindrical hole requires a matching ISO holder and the correct clamp and screw for secure mounting. Can this insert be used for internal turning and boring operations? Yes, the format and clamping style permit use in suitable boring bars as well as external holders; compatibility is determined by holder form, tolerance and clamping method. How does the CVD coating improve machining performance? CVD coating on the T5115 grade increases thermal and abrasive resistance, helping to keep the cutting edge intact under continuous cutting loads and supporting predictable tool life for series production. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5115 Wendeplatten - Tungaloy
Take advantage of the combination of a CVD-coated carbide grade designed for cast iron and an ISO‑standard rhombic form that ensures predictable holder compatibility; this reduces tool changes and supports steady productivity. Order the insert directly via Metav Werkzeuge or ask our consultants for matching holders and cutting data. CNMG 120412 T5115 turning insert by Tungaloy — CVD‑coated carbide for cast iron CNMG120412 T5115 is an ISO‑standard rhombic indexable insert intended for external and internal turning applications, optimised as a universal grade for cast iron machining. CVD-coated carbide for durability Universal grade for cast iron ISO CNMG120412 rhombic insert Double-sided chipbreaker, with cylindrical hole Consistent wear resistance for cast iron that keeps production running The CVD‑coated carbide composition of this grade delivers a balanced performance between wear resistance and edge stability, which is particularly important when machining cast iron. A CVD (chemical vapour deposition) coating forms a thin, hard layer that resists abrasive wear and helps maintain the cutting edge at elevated temperatures. For manufacturers focused on repeatable throughput, the result is fewer insert changes and more consistent component quality. When selecting an insert for cast iron, prioritising a grade that combines a robust substrate with a protective coating reduces risk of premature flank wear and supports longer tool life. Predictable fit and simplified toolholder selection This insert follows the ISO specification for CNMG120412 size and form, which means compatibility with holders is determined by geometry: shape, clearance (relief) angle, tolerance class, fastening method, size and thickness. The rhombic form with an 80° included angle and a 0° relief angle is a common configuration for turning holders; matching the holder’s pocket and clamp ensures secure seating and repeatable positioning. The insert’s cylindrical centre hole supports standard screw or clamp systems. Choosing a correctly matched holder avoids chatter and positional errors, improving surface finish and dimensional control without needing bespoke clamping solutions. Design choices that reduce downtime and improve surface quality The insert is double‑sided, offering two cutting edges per indexed position and efficient cost‑per‑edge usage. A corner radius of 1.2 mm provides a compromise between edge strength and achievable surface finish: a larger radius increases edge robustness for interrupted cuts, while still permitting good finish on stable setups. The 4.76 mm thickness contributes to rigidity in the clamped assembly. The integrated double‑sided chipbreaker helps control chip formation when turning cast iron, reducing the risk of long, entangling swarf and improving evacuation. For best results, match chipbreaker geometry and grade to the specific workpiece stability and machining strategy. Contact Metav Werkzeuge to confirm holder compatibility and to specify the Tungaloy T5115 grade for cast iron turning applications Technical data Article number: 6850138 SKU: 6850138-Tungaloy Manufacturer SKU: TUN6850138 Type: ISO indexable turning insert CNMG Facts Size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Relief angle: 0° Included angle: 80° Special features Material: carbide Coating: CVD Grade: T5115 Shape: rhombic Hole: cylindrical hole Chipbreaker: double-sided Application: external and internal turning FAQ Which materials is this insert designed for? The T5115 grade is a universal grade optimised for cast iron; the CNMG120412 insert by Tungaloy is specified for reliable performance when turning various types of cast iron. What are the key geometric specifications to check for holder compatibility? Check form (rhombic CNMG), clearance (0° relief), size (12 mm), thickness (4.76 mm) and fastening (cylindrical centre hole); these dimensions determine correct fit in an ISO‑compatible holder. Is the insert reversible and how does that affect cost efficiency? Yes, the insert is double‑sided with a double‑sided chipbreaker, offering multiple cutting edges and reducing cost per usable edge compared with single‑sided inserts. What benefits does the CVD coating provide in everyday machining? The CVD coating on this carbide grade enhances abrasive wear resistance and thermal stability, which helps maintain edge life and consistent machining results in cast iron operations. For which turning tasks is a 1.2 mm corner radius most suitable? A 1.2 mm corner radius combines edge strength for interrupted or semi‑roughing cuts with the ability to deliver a good surface finish on stable set‑ups, making it a versatile choice for mixed turning tasks. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5125 Wendeplatten - Tungaloy
Combine reliable chip control, a CVD-coated carbide grade and ISO compatibility to secure consistent turning performance in less stable conditions; order the insert directly via Metav Werkzeuge or consult our technical advisers for application support. CNMG120412 T5125 Tungaloy indexable insert — CVD-coated carbide, 1.2 mm nose radius The CNMG120412 T5125 Tungaloy indexable insert is a rhombic ISO turning insert engineered for external and internal turning of cast iron where interrupted cuts or limited rigidity occur. CVD-coated carbide grade T5125 Optimised for cast iron and interrupted cuts Rhombic CNMG form with 80° lead angle Double-sided chipbreaker, 1.2 mm nose radius Robust cutting performance for demanding turning operations The combination of CVD-coated carbide and the T5125 grade delivers a tougher cutting edge that tolerates interruptions and reduced stability during machining. This grade is formulated for improved fracture resistance, which translates into fewer insert failures and more predictable tool life when working with cast iron. The double-sided chipbreaker helps control chips and reduces re-cutting, improving surface integrity and process reliability in serial production. System compatibility and practical mounting benefits Designed to ISO specifications, the insert’s rhombic shape and standard dimensions ensure compatibility with a wide range of external holders and boring bars. Compatibility is determined by form, relief angle, tolerance class, fastening method, size and thickness; matching these ensures correct seat and clamping for consistent cutting geometry. The insert’s 80° lead angle and 1.2 mm nose radius offer a balanced compromise between strength and surface finish for typical turning tasks. Benefits of choosing the right grade and geometry Selecting T5125 provides a benefit-oriented approach: better resistance against chipping in interrupted cuts and a broader material range for cast-iron workpieces. The CVD coating enhances wear resistance at the cutting edge while maintaining reliable edge stability. For process planning, this means fewer tool changes and steadier cycle times, which supports productivity targets and reduces unexpected downtime. Practical tips for application and optimisation Use a rigid set-up and select a holder that matches the insert’s geometry to exploit the ISO CNMG form fully. Moderate cutting parameters and appropriate cooling or lubrication improve tool life when turning cast iron with interrupted features. Where surface finish is critical, reduce feed or select a finer nose radius; conversely, for heavy roughing, the robust geometry and coating combination maintain cutting integrity. Contact Metav Werkzeuge for tailored recommendations on holder selection and cutting parameters for the Tungaloy CNMG120412 T5125 insert, or request an application review from our technical team. Technical Data Article number: 6850141 SKU: 6850141-Tungaloy Manufacturer SKU: TUN6850141 Designation: CNMG120412 T5125 Tungaloy-Wendeplatte Model series: ISO-Drehwendeschneidplatten Facts Insert size: 12 mm Thickness: 4.76 mm Nose radius: 1.2 mm Relief angle: 0° Lead/approach angle: 80° Hole: with hole (cylindrical) Special features Material: carbide Coating: CVD-coated Grade: T5125 Shape: rhombic (CNMG) Chipbreaker: double-sided Application: turning Typical use: cast iron, interrupted cuts FAQ What materials is this insert best suited for? The CNMG120412 T5125 Tungaloy indexable insert is optimised for cast iron machining, particularly where interrupted cuts or less rigid set-ups are encountered. How does the T5125 grade affect tool life? The T5125 grade combines a tougher substrate with a CVD-coated carbide surface to resist chipping and enhance wear performance, resulting in more consistent tool life for demanding turning tasks. Which holders are compatible with this ISO insert? Compatibility depends on matching the holder’s seat to the insert’s rhombic CNMG form, relief angle, tolerance class, fastening, size and thickness; using standard ISO CNMG holders ensures proper clamping and repeatability. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T5125 Wendeplatten - Tungaloy
Take advantage of the CVD-coated T5125 grade and the robust CNMG geometry to secure reliable performance in interrupted turning; the combination of a 1.2 mm corner radius and a rhombic 80° profile offers improved edge strength and axial engagement for cast-iron work. Order directly via Metav Werkzeuge or consult Metav Werkzeuge for application-specific advice. CNMG120412 T5125 Tungaloy indexable turning insert — rhombic CNMG geometry, 80° main angle CNMG120412 T5125 is an ISO-standard indexable insert designed for general turning operations, especially suited to interrupted cuts in cast iron and less stable machining conditions. CVD-coated T5125 carbide grade Double-sided chipbreaker for process flexibility Rhombic CNMG 80° geometry Corner radius 1.2 mm for robust edges Cylindrical hole for secure clamping Consistent cutting in interrupted turning The CVD-coated T5125 grade provides a tougher coating architecture intended to endure shocks and fluctuations common in interrupted cuts. This makes the insert particularly apt for cast-iron machining where chip formation and edge stability are critical. The rhombic CNMG geometry, paired with an 80° main angle, improves axial engagement and distributes cutting forces across a broader land, reducing the risk of premature chipping. As a result, production runs gain in process stability and require fewer unscheduled tool changes, which translates into measurable time savings on the shop floor. Secure clamping and ISO compatibility for predictable setup Delivered as an ISO-standard turning insert, the design of the plate — including its cylindrical locating hole and defined thickness — ensures repeatable positioning in compatible CNMG holders. Compatibility depends on form, clearance angle, tolerance class, fastening method, size and thickness; the supplied specification simplifies selection of a matching seat and clamp. The double-sided chipbreaker provides two usable cutting edges per side, improving economy per insert and allowing quick reversal when one edge reaches wear limits. This combination supports consistent set-up times and predictable component tolerances. Designed for reliability and surface quality under real conditions A 1.2 mm corner radius and a plate thickness of 4.76 mm create a resilient cutting edge capable of absorbing intermittent loads while maintaining surface finish. The T5125 combination of substrate and CVD coating is optimised for cast iron and offers good wear behaviour in less than ideal conditions, such as poor stability or interrupted engagement. Selecting the appropriate chipbreaker and matching the insert grade to the workpiece material helps balance tool life against finish requirement; this insert supports efficient metal removal without compromising repeatability or dimensional control. For application advice or to order CNMG120412 T5125 from Metav Werkzeuge, please contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 for prompt, expert assistance. Technical data Article number: 6852912 Manufacturer SKU: TUN6852912 Vendor SKU: 6852912-Tungaloy Brand: Tungaloy Model series: ISO turning indexable inserts Designation: CNMG120412 T5125 Tungaloy insert Application: Turning Material: Carbide Coating/grade: T5125 Shape: Rhombic (CNMG) Hole style: Cylindrical hole Facts Corner radius: 1.2 mm Main angle: 80° Clearance angle: 0° Plate thickness: 4.76 mm Plate size: 12 mm Special features CVD-coated carbide grade T5125 Double-sided chipbreaker Suited for cast-iron interrupted cuts ISO-standard geometry for holder compatibility Robust edge for less stable machining conditions FAQ Is this insert suitable for interrupted turning in cast iron? Yes. The CNMG120412 T5125 insert is specifically designed with a tougher CVD-coated grade to handle interrupted cuts in cast iron and maintain edge stability. How does the 1.2 mm corner radius affect performance? A 1.2 mm corner radius increases edge strength and shock resistance, making the insert more tolerant of variable engagement and improving tool life in demanding turning operations. Can the insert be used on standard CNMG holders? Yes. The insert follows ISO CNMG geometry; compatibility depends on holder form, clearance, tolerance, fastening and thickness, so matching these parameters ensures secure clamping. What benefits does the double-sided chipbreaker provide? The double-sided chipbreaker offers process flexibility and two usable cutting edges per side, improving economy per insert and allowing quick reversal when an edge becomes worn. Which materials and conditions is the T5125 grade optimised for? The T5125 CVD-coated carbide grade is optimised for cast iron and for machining under less stable or interrupted conditions where toughness and consistent chip control are required. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
Why indexable inserts are indispensable in modern machining
Indexable inserts, also known as cutting inserts or indexable cutting inserts, are standardised, replaceable cutting elements that mount on tool holders such as turning bits, milling cutters or drills. Made from wear-resistant materials like carbide, cermet, ceramic or other superhard grades, they carry the actual cutting edge and allow a worn corner to be rotated or flipped instead of replacing or regrinding the entire tool body.
How these inserts work and when to choose them
In everyday workshop and production settings, indexable inserts perform the direct material removal on the workpiece. Standard inserts for tool systems without internal coolant typically feature closed faces or a single central fixing hole, with heat evacuation handled by external machine nozzles. Inserts designed for systems with internal coolant are engineered to support coolant flow: they include calculated chipbreaker geometries that guide an internal coolant jet under the chip or, in specialised designs, contain sintered microchannels to direct coolant right to the cutting edge. Such coolant-compatible inserts are essential for machining heat-resistant alloys, heavy cutting operations and deep internal machining, where thermal load and chip control are critical.
Tangible benefits for production and workshop efficiency
Choosing the right indexable inserts delivers measurable operational advantages:
- Reduced downtime: faster changeover because a worn insert is simply indexed rather than the whole tool being replaced.
- Extended cutting-edge life: targeted coolant application and optimised chipbreaker design lower thermal stress and improve tool life.
- Consistent part quality: predictable cutting-edge geometry from standardised inserts maintains tolerances across batches.
- Versatility: availability in carbide, cermet, ceramic and superhard grades permits selection according to workpiece material and cutting conditions.
- Lower tooling costs over time: fewer full-tool replacements and less regrinding required.
Metav as a dependable source for inserts and tooling systems
Metav combines decades of precision expertise with a wide-ranging supply chain, positioning itself as a practical partner for industry, craft and trade. From Emmerich on the Rhine, Metav operates as a quality filter for the European market, offering more than 250,000 products and serving over 48,000 customers. For procurement teams aiming to reduce supplier count while retaining technical reliability, Metav’s assortment of indexable inserts and compatible tool holders provides a central, trustworthy solution.
Quick summary
Indexable inserts (cutting inserts or indexable cutting inserts) enable economical, repeatable material removal by allowing worn cutting edges to be indexed or replaced quickly; coolant-adapted designs further reduce thermal load and enhance chip control for demanding applications.
FAQ
What materials are indexable inserts available in?
Indexable inserts are available in wear-resistant grades such as carbide, cermet, ceramic and other superhard materials, selected according to the workpiece material and cutting conditions.
When should I choose inserts with internal coolant support?
Choose inserts designed for internal coolant when machining heat-resistant alloys, performing heavy cuts or working in deep internal features, because the coolant reduces thermal load at the cutting edge and actively improves chip breakage.
How do chipbreaker geometries affect performance?
Chipbreaker geometries on indexable inserts guide the chip flow and, when matched to an internal coolant jet, direct the coolant under the chip to control temperature and facilitate reliable chip formation, which extends edge life and stabilises machining.
Can standard inserts be used with external coolant only?
Yes; standard inserts for tool systems without internal coolant typically have closed faces or a central fixing hole and rely on external machine nozzles for heat evacuation, which is sufficient for many routine, accessible cuts.
Why source inserts through Metav?
Metav supplies a broad range of indexable inserts and tooling, backed by decades of expertise and a comprehensive European stock, making it a practical choice for consistent quality and dependable delivery.
Fragen zu diesen Produkten??
Mit mehr als 30 Jahren Erfahrung beraten wir Sie gerne persönlich.
Tel.: +49 2822 7131930
Mail: info@metav-werkzeuge.com