SNMG 120408 T6215 Wendeplatten - Tungaloy

Benefit from the combination of CVD-coated carbide wear resistance, ISO compatibility and a precise 0.8 mm corner radius to achieve repeatable turning results on rostfreier Stahl; order via Metav Werkzeuge or consult our specialists for holder selection and application settings.

SNMG120408 T6215 SNMG ISO turning insert for turning applications by Tungaloy

SNMG120408 T6215 is a square, ISO-format indexable insert designed for external and internal turning under stable to lightly interrupted conditions.

• SNMG geometry for ISO turning
• CVD-coated carbide for wear resistance
• Double-sided chipbreaker for consistent chips
• Square insert with 0.8 mm corner radius

Reliable wear control for continuous production

The T6215 grade delivers reliable life when machining rostfreier Stahl thanks to a CVD-coated carbide substrate that resists abrasive wear and helps maintain cutting-edge integrity. The chemical vapour deposition layer increases hardness at the surface while preserving toughness in the substrate, which reduces flank wear under elevated temperatures typical of stainless-steel turning. For production environments this means fewer insert changes, less unscheduled downtime and more predictable tool-change intervals, supporting cost-efficient machining.

Predictable surface quality and chip behaviour

The SNMG geometry combined with a double-sided chipbreaker produces stable chips and consistent cutting forces, which directly improves surface finish and dimensional repeatability. The 0.8 mm corner radius balances edge strength and finishing capability: the radius supports a robust cutting edge for light roughing while still allowing acceptable finishes at moderate feeds. The neutral 0° clearance helps maintain a steady contact geometry in many holder systems; the cylindrical hole design ensures secure seating and straightforward clamping in compatible ISO holders.

Simple integration into ISO-based tool systems

As an ISO-format indexable insert, compatibility with holders is determined by form, clearance angle, tolerance class, fixing method, size and thickness. The insert’s 12 mm size and 4.76 mm thickness correspond to common ISO specifications, making selection of an appropriate external holder or boring bar straightforward. When assembling, check the seat geometry and clamp screw type: the cylindrical hole and square plate form require matching mounting components to guarantee positional accuracy and stable cutting. Metav Werkzeuge can advise on the correct holder geometry and tightening sequence to avoid indexing errors.

Application focus and machining recommendations

This carbide grade and insert design are optimised for turning rostfreier Stahl in stable setups or where light interruptions may occur. The CVD layer improves resistance to adhesive and abrasive mechanisms that commonly shorten tool life on such materials. For best results, choose a chipbreaker and grade that suit the workpiece alloy and the machining strategy: a tougher approach for interrupted cuts or heavier roughing, and finer feeds for finishing. Cooling strategy and cutting parameters should be matched to the grade’s strengths to maximise productivity and surface integrity.

For machining rostfreier Stahl with high process reliability, contact Metav Werkzeuge to discuss the SNMG120408 T6215 insert, holder compatibility and application-specific cutting data; Metav Werkzeuge will advise on the best combination of insert, holder and settings for the task.

Technical data

• Article number: 6877401
• Manufacturer SKU: TUN6877401
• Dealer SKU: 6877401-Tungaloy
• Model series: ISO turning indexable inserts
• Material: carbide

Data

• Corner radius: 0.8 mm
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Angle: 90°
• Clearance angle: 0°

Special features

• Grade: T6215
• Coating: CVD-coated
• Chipbreaker: double-sided
• Plate form: square
• Hole: with hole, cylindrical hole
• Typical use: turning

FAQ

What material is the insert designed for? The SNMG120408 T6215 insert is designed primarily for machining rostfreier Stahl and performs best under stable to lightly interrupted turning conditions.

Which holder features are required for correct fitment? The insert requires an ISO-compatible holder that matches the SNMG form, plate size 12 mm and thickness 4.76 mm; the cylindrical hole and square plate form demand a matching seat and clamping screw.

How does the T6215 grade improve tool life? The T6215 grade uses a CVD-coated carbide combination that increases surface hardness and wear resistance, reducing flank wear when turning rostfreier Stahl.

Can the insert be used for both external and internal turning? Yes, the SNMG geometry and secure cylindrical-hole clamping make the insert suitable for both external turning and suitable boring-bar arrangements for internal turning.

Is the chipbreaker suitable for finishing operations? The double-sided chipbreaker delivers consistent chip formation and can support good surface quality; for fine finishing, adjust feed and cutting speed to exploit the 0.8 mm corner radius.

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.