SNMG 120412 T5105 Wendeplatten - Tungaloy

Take advantage of the combination of CVD-coated T5105 carbide for high wear resistance, the ISO SNMG120412 geometry for straightforward holder compatibility, and the double-sided chipbreaker for efficient indexation; order directly via Metav Werkzeuge or consult our specialists for application-specific advice.

SNMG 120412 T5105 indexable insert for turning — Tungaloy

A SNMG120412 T5105 indexable insert engineered for stable, high-speed external and internal turning operations, optimised for cast iron under secure clamping conditions

• CVD-coated T5105 carbide grade
• Designed for high-speed cast iron turning
• ISO SNMG120412 geometry, square insert
• Double-sided chipbreaker with cylindrical hole

High wear resistance for consistent high-speed machining

The CVD-coated T5105 grade provides high wear resistance and is optimised for productive, high-speed machining of cast iron under stable setup conditions. The CVD coating enhances surface hardness and reduces flank wear, extending cutting edge life and allowing longer uninterrupted production runs. For operations where tool life and consistent results matter, the coating and substrate combination minimises downtime caused by frequent insert changes while maintaining surface finish and dimensional stability.

ISO geometry that simplifies holder selection and reduces setup errors

Built to the ISO SNMG120412 standard, the insert’s shape and dimensions ensure predictable compatibility with a wide range of external holders and boring bars. Holder fit is determined by form, clearance angle, tolerance class, attachment method, size and thickness; the standardised geometry reduces the need for bespoke clamping solutions and shortens setup time. The listed 0° clearance angle and square form provide familiar kinematics for common turning tasks, helping to maintain machine dynamics and reproducible results.

Double-sided chip control and easy indexation for productive shifts

The double-sided chipbreaker design gives two indexable cutting edges per corner, improving economy per insert and enabling rapid indexation when one edge is worn. A 1.2 mm corner radius balances strength and edge form for robust turning, while the cylindrical hole secures the insert reliably in the seat and supports consistent chip formation. Effective chip control reduces the risk of workpiece damage and facilitates automated or unmanned shifts with fewer interruptions.

System benefits: integration with holders, clamps and maintenance routines

An efficient turning setup is a system: ISO insert, compatible external holder or boring bar, an appropriate clamp set and correct screw torque deliver repeatable results. The 4.76 mm plate thickness and 12 mm size make the insert suitable for many standard toolholders; correct selection of chipbreaker and grade depending on workpiece material and machine stability will yield the best combination of productivity and tool life. Regular inspection and correct mounting prolong service life and contribute to process reliability across production runs.

Contact Metav Werkzeuge to discuss how Tungaloy’s CVD-coated T5105 grade and ISO SNMG120412 geometry can improve machining uptime and process stability — eMail: info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6850258
• Manufacturer SKU: TUN6850258
• Vendor SKU: 6850258-Tungaloy
• Brand: Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Material: Hartmetall

Facts

• Shape / designation: SNMG120412
• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Clearance angle: 0°
• Included hole: with hole (cylindrical)
• Approach/lead angle: 90°

Special features

• Coating: CVD-coated
• Grade: T5105
• Chipbreaker: double-sided
• Plate form: square
• Typical application: turning (external and internal)
• Optimised for: cast iron machining in stable conditions

FAQ

What materials is this insert best suited for? The SNMG120412 T5105 indexable insert is engineered primarily for cast iron machining; the CVD-coated T5105 grade offers wear resistance in high-speed cutting when the setup is stable.

Is the insert compatible with standard SNMG holders? Yes, the ISO SNMG120412 geometry ensures compatibility with holders designed for SNMG inserts, provided form, clearance, tolerance class, attachment and thickness match the holder specifications.

How many usable cutting edges are available per insert? The double-sided design offers multiple indexable edges; each face can be rotated to present a fresh cutting edge, improving economy and reducing changeover frequency.

What does the 1.2 mm corner radius mean for finishing? A 1.2 mm corner radius provides stronger edge support and better finish on interrupted or heavy cuts while slightly influencing minimum achievable corner radii on the workpiece.

Can this insert be used for internal turning as well as external turning? Yes, the insert is suitable for both external and internal turning operations when paired with an appropriate boring bar or internal holder that accepts SNMG120412 inserts.

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.