SNMG 120408 T6215 Wendeplatten - Tungaloy

Take advantage of the combination of ISO conformity, a wear-resistant CVD-coated carbide grade and a proven double-sided chipbreaker for consistent productivity in turning operations — order via Metav Werkzeuge or consult the technical team for application advice.

SNMG 120408 T6215 Tungaloy indexable insert for Turning — CVD-coated carbide, 0.8 mm corner radius

A SNMG120408 indexable turning insert from Tungaloy, engineered for reliable machining of stainless steels under stable to slightly interrupted cutting conditions.

• ISO SNMG form, ISO 120408 size
• CVD-coated carbide grade T6215
• Double-sided chipbreaker for stable cuts
• 0.8 mm corner radius, 90° cutting geometry

Consistent wear resistance for stainless-steel machining

The CVD-coated T6215 grade provides a combination of hardness and adhesion that is particularly effective when machining stainless steels, reducing flank and crater wear during extended runs. This coating technology enhances surface integrity and prolongs edge life, which translates into fewer tool changes and more predictable cycle times. Where stability is adequate, the grade maintains cutting performance even with slight interruptions, delivering improved surface finish and dimensional consistency compared with uncoated grades. The controlled wear behaviour also simplifies process optimisation and inventory planning for small-batch to series production.

Clear mechanical compatibility and secure clamping

Designed as an ISO-standard insert, SNMG120408 matches holders when form, clearance angle, tolerance class, fastening method, size and thickness align. The insert features a cylindrical hole for positive mechanical locating and secure fastening, combined with a plate thickness of 4.76 mm and a nominal size of 12 mm, enabling robust seating in ISO toolholders. The supplied 90° included angle and a 0° relief angle provide a versatile geometry for general turning operations. Specifying these dimensions allows engineering teams to confirm adapter and screw compatibility quickly and to maintain repeatable assembly and concentricity at the cutting edge.

Reduced operating costs through double-sided design

A double-sided chipbreaker means two usable edges per cutting position and economical utilisation of the carbide body; this lowers tooling spend per cutting edge and reduces downtime for index changes. The 0.8 mm corner radius supports edge strength for external profiling and stable finishing cuts, balancing edge robustness with achievable surface quality. Efficient chip control from the chipbreaker helps to avoid recut of chips and reduces build-up on the insert, which supports higher average cutting speeds and smoother evacuation in automated or lights-out environments.

Practical selection for reliable process results

Selection should match the chipbreaker and grade to the specific workpiece material, part stability and machining strategy. For external and internal turning of stainless steels, choose the chipbreaker intended for the expected cut depth and feed to maintain consistent chip formation. The system comprises the ISO insert, a compatible external holder or boring bar, a support plate/clamp set and replacement screws — this modular approach simplifies spare-part lists and cutovers between operations. For process documentation, specify the ISO designation and physical dimensions to guarantee interchangeability and tool-life predictability.

For reliable machining with Tungaloy’s CVD-coated T6215 inserts, contact Metav Werkzeuge for stock information and application guidance: Metav Werkzeuge, Parkring 45, 46446 Emmerich, Germany; eMail: info@metav-werkzeuge.com; Phone: +49 2822 7131930.

Technical Data

• Article number: 6944787
• Manufacturer SKU: TUN6944787
• SKU: 6944787-Tungaloy
• Material: Carbide
• Grade/coating: T6215 (CVD-coated)
• ISO designation: SNMG120408

Facts

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Included angle: 90°
• Relief angle: 0°
• Hole: with cylindrical hole

Special features

• Double-sided chipbreaker
• Cylindrical hole
• Square plate form
• Application: Turning
• Suitable for stainless steels

FAQ

What applications suit this insert best? The SNMG120408 T6215 indexable insert is intended for external and internal turning, especially when machining stainless steels under stable to slightly interrupted conditions.

How does the T6215 CVD coating benefit production? The T6215 CVD-coated carbide improves wear resistance and edge life for the insert, resulting in longer intervals between index changes and more consistent surface finishes.

Which dimensions are critical when checking holder compatibility? Verify the ISO designation SNMG120408, plate size 12 mm, thickness 4.76 mm and the presence of a cylindrical hole to ensure proper seating and clamping in the toolholder.

Is the chip control suitable for finishing and roughing? The double-sided chipbreaker on this insert offers controlled chip formation for stable cutting; selection of the correct breaker variant should align with the intended cut depth and feed for finishing or semi-finishing.

Can this insert be used for interrupted cuts? The insert grade is designed for stable to slightly interrupted conditions; heavy interruptions may require alternative geometry or process adjustments.

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.