SNMG 120404 T6215 Wendeplatten - Tungaloy

Wear-resistant CVD-coated carbide combined with a 0.4 mm corner radius and a double-sided chipbreaker delivers reliable turning performance and consistent surface finish in stainless steels; take advantage of ISO compatibility for easy insertion into standard holders. Order the SNMG120404 T6215 Tungaloy insert directly via Metav Werkzeuge or ask our consultants if needed.

SNMG120404 T6215 ISO indexable turning insert for stainless steels — Tungaloy

The SNMG120404 T6215 is an ISO-form indexable turning insert designed for stable external and internal turning of stainless steels, combining a wear-resistant CVD coating with a small corner radius for controlled cutting.

• CVD-coated carbide for wear resistance
• Double-sided chipbreaker for flexible use
• 0.4 mm corner radius for controlled cutting
• ISO SNMG120404, 90° square insert

Consistent cutting performance where longevity matters

The CVD-coated carbide grade T6215 is formulated for the demands of machining stainless steels under stable to slightly interrupted cutting conditions. The coating improves wear resistance and edge life, which translates into longer production runs and fewer insert changes. With the right cutting data and a stable setup, the coated substrate maintains a sharp edge and supports reproducible part geometry, reducing scrap rates and ensuring a predictable throughput in series production.

Geometry and system compatibility for straightforward integration

The insert is supplied in the ISO-designation SNMG120404, a 90° square format with a 0.4 mm corner radius and a 4.76 mm plate thickness, featuring a cylindrical hole for secure fastening. These standardised dimensions simplify holder selection and minimise setup time: compatibility with clamping systems is determined by form, relief angle, tolerance class, fastening method, size and thickness. The square form with two usable edges per side and a double-sided chipbreaker increases indexable life and offers economical cutting edge utilisation.

Practical advantages during machining operations

A small corner radius yields a controlled cutting force and improved surface finish on turned components, particularly when working with tough, strain-hardened stainless steels. The double-sided chipbreaker supports stable chip control across a range of feeds and depths of cut, reducing the risk of built-up edge and facilitating consistent evacuation of chips. The CVD coating reduces flank and crater wear, which helps maintain dimensional stability over longer cycles and supports higher productivity with fewer interruptions for tool changes.

Selection, handling and process guidance

Choose a chipbreaker and grade that match the workpiece material, cutting conditions and machine rigidity; for the supplied grade, preference is given to stable setups and finishing to medium-depth turning. When mounting the insert, ensure the seat and clamp are clean and the fastening torque follows the holder manufacturer’s specification to avoid runout. Periodic inspection of the cutting edge and adherence to recommended speeds and feeds will extend life; in doubt, consult the technical data sheet for cutting parameters applicable to stainless steels and medium-duty turning.

Contact Metav Werkzeuge for tailored advice on the Tungaloy SNMG120404 insert, availability and recommended cutting data — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6944778
• Manufacturer SKU: TUN6944778
• Model series: ISO-Drehwendeschneidplatten
• Designation: SNMG120404 T6215

Facts

• Corner radius: 0.4 mm
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Relief angle: 0°
• Included angle: 90°
• Hole: with hole (cylindrical hole)

Special features

• Coating / grade: T6215
• Carbide type: CVD-coated carbide
• Chipbreaker: double-sided
• Suitable application: Turning (external and internal)
• Plate form: square
• Compatibility note: holder compatibility determined by form, relief, tolerance class, fastening, size and thickness

FAQ

What materials is this insert suited for? The SNMG120404 T6215 insert is formulated primarily for stainless steels; the CVD-coated carbide and chipbreaker combination offers good wear resistance and chip control for stable to slightly interrupted turning operations.

Which holders are compatible with this ISO insert? Compatibility depends on the holder’s seat form, relief angle, tolerance class, fastening system, size and thickness; the ISO SNMG120404 format fits standard SNMG indexable turning holders when these parameters match.

How does the T6215 grade influence cutting performance? The T6215 CVD-coated grade provides enhanced wear resistance and edge life on stainless steels, so users can expect longer tool life and more consistent surface integrity compared with uncoated or less wear-resistant grades.

What benefits does the 0.4 mm corner radius deliver? A 0.4 mm corner radius balances edge strength with surface finish: it reduces cutting forces and improves part finish while still allowing controlled material removal for finishing and light-medium turning tasks.

How should the insert be mounted and maintained for best results? Mount the insert on a clean, undamaged seat, use the correct clamp and torque, and monitor edge condition regularly; following recommended cutting data and ensuring machine rigidity will maximise the Tungaloy insert’s service 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.