SNMG 120408 T9205 Wendeplatten - Tungaloy

Benefit from the combination of a CVD‑coated carbide grade for extended tool life and a 90° square geometry that enables versatile external and internal turning; order the insert directly via Metav Werkzeuge or consult our specialists for application matching.

SNMG120408 T9205 – Tungaloy SNMG square indexable turning insert for turning, 90° geometry, CVD-coated carbide

The SNMG120408 T9205 is a 90° square indexable insert engineered for productive external and internal turning of steel in stable machining setups

• CVD-coated carbide for wear resistance
• 90° square geometry for versatile turning
• 0° relief angle for secure clamping
• Double-sided chipbreaker with cylindrical hole

Maximise uptime with a wear-resistant CVD grade

The T9205 CVD‑coated carbide combines a durable coating with a robust substrate to deliver longer tool life under elevated cutting speeds. This results in fewer index changes and less downtime, which directly contributes to improved machine utilisation and lower unit costs in batch production. The coating is optimised for heat resistance and abrasion control, so the insert maintains cutting edge integrity during continuous turning. For operations that demand repeatable cycle times and predictable consumable consumption, this grade offers measurable process stability.

Precise form control thanks to 90° square geometry

A 90° geometry with a square profile and a 0° relief angle provides stable support in the pocket and balanced cutting engagement on both external and internal contours. The corner radius 0.8 mm reduces peak stresses while enabling reliable finishing passes where consistent surface quality is required. Explaining briefly: the relief angle keeps the insert seated firmly during cutting, while the square shape permits four usable cutting edges per index, improving economy. This combination helps to preserve dimensional accuracy and reduces the need for corrective rework.

Easy integration into ISO indexable systems

The insert conforms to ISO indexable insert standards and features a cylindrical hole for secure fixing. Compatibility with a chosen holder depends on form, clearance angle, tolerance class, mounting method, size and thickness; typical system components include a matching external holder or boring bar, a shim/clamp set and replacement screws. Selecting the appropriate chipbreaker and grade should be guided by the workpiece material, the machining strategy and the rigidity of the set‑up. Technical information supplied with the insert supports correct holder pairing and mounting.

Targeted performance for steel turning under stable conditions

Designed primarily for the productive turning of steel, the double-sided chipbreaker offers dependable chip control when operating at the intended feeds and speeds. Under stable clamping and machine conditions this insert enables higher productivity while maintaining surface finish and tool life. Where process security and repeatability matter — such as serial parts machining — these characteristics reduce scrap rates and support consistent output. For components requiring a mix of roughing and finishing, the insert’s geometry and grade offer a balanced compromise between material removal rate and edge stability.

For tailored application advice, availability and fast supply of Tungaloy turning inserts, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 — Metav Werkzeuge consultants will assist with grade and chipbreaker selection as well as stock information.

Technical data

• Article number: 6785741
• Manufacturer article number: 6785741
• Manufacturer SKU: TUN6785741
• SKU: 6785741-Tungaloy
• Model series: ISO indexable turning inserts

Facts

• ISO designation: 120408
• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Relief angle: 0°
• Edge angle: 90°
• Hole: cylindrical

Special features

• Coating: T9205
• Grade: CVD-coated carbide
• Chipbreaker: double-sided
• Application: turning (external & internal)
• System: ISO indexable insert
• Shape: square
• With hole for secure mounting

FAQ

What materials is this insert optimised for?
The T9205 grade is optimised for productive turning of steel; the SNMG120408 T9205 insert delivers wear resistance and heat control suited to stable steel machining operations.

How many usable edges does the insert provide?
As a square insert, the SNMG120408 offers four usable cutting edges per index, which improves economy by maximising edge utilisation before replacement.

Which chipbreaker should be selected for mixed roughing and finishing?
Choose a chipbreaker and feed rate according to the required surface finish and material removal rate; the double-sided chipbreaker on this insert supports a wide range of feeds for combined roughing and finishing in steel.

Is this insert compatible with standard ISO holders?
Yes, the SNMG120408 conforms to ISO indexable insert standards; compatibility depends on holder form, tolerance class, mounting method, size and thickness — use the specified system components for correct installation.

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.