SPMT 120408 T6215 Wendeplatten - Tungaloy

Benefit from the combination of a CVD-coated carbide grade and a precise 0.8 mm nose radius for consistent turning performance and extended tool life; order the SPMT120408 T6215 insert via Metav Werkzeuge or consult our specialists for tool selection and availability.

SPMT 120408 T6215 — Indexable turning insert for Turning (CVD-coated carbide, 0.8 mm nose radius) — Tungaloy

SPMT120408 T6215 is an ISO-format indexable insert designed for external and internal turning of stainless steels, offering a wear-resistant CVD-coated carbide grade for stable to lightly interrupted cutting conditions

• CVD-coated carbide for wear resistance
• 0.8 mm nose radius for precise finishing
• Square form with central hole and countersink
• 11° clearance for stable cutting performance

Reliable cutting performance for stainless steels

The CVD-coated T6215 carbide composition provides high wear resistance and consistent edge stability when machining stainless steels under stable to slightly interrupted cuts. The combination of the coating technology and the substrate material reduces flank and crater wear, which extends the effective tool life and maintains dimensional accuracy over longer production runs. The modest 0.8 mm nose radius supports fine surface finishes without sacrificing strength at the cutting edge, making this insert suitable for finishing and medium-turning operations where consistent geometry is required.

Precision geometry that simplifies setup and repeatability

The insert’s square form and central fastening design — a cylindrical hole with a single-side countersink — ensure repeatable seating and secure clamping in compatible ISO holders and boring bars. The defined 11° clearance angle and the 90° included cutting geometry contribute to predictable chip flow and contact conditions at the tool tip. These geometric features reduce vibration sensitivity and make the insert straightforward to index or replace, shortening setup times and promoting reproducible part quality across batches.

Application-oriented efficiency and surface quality

Equipped with a one-sided chipbreaker, the insert controls chip formation for a broad range of turning operations. In practice, this leads to improved productivity and fewer interruptions due to chip entanglement, particularly when machining long or contoured workpieces. The robust grade and chip control combine to yield a more consistent surface finish and lower scrap rates, which translates into measurable process efficiency and cost benefits over the life of the insert.

System compatibility and selection guidance

The ISO-format design integrates into a standard turning system comprising an insert, suitable external holder or boring bar, a shim/clamping set and replacement screws. Compatibility with a specific holder depends on form, clearance angle, tolerance class, fixing method, size and thickness, so selection should match the application and machine rigidity. For operations with light interruptions or higher stability, the T6215 grade offers a balance between wear resistance and edge strength; for different workpiece materials or more severe interruptions, alternative chipbreakers and grades should be considered.

For high-reliability turning of stainless steels with Tungaloy CVD-coated inserts, contact Metav Werkzeuge for tailored recommendations, availability and fast delivery — eMail: info@metav-werkzeuge.com | Tel: +49 2822 7131930

Technical data

• Article number: 6903111
• Manufacturer SKU: TUN6903111
• Model series: ISO turning indexable inserts
• Grade: T6215
• Material / type: CVD-coated carbide

Core dimensions

• Cutting edge angle: 90°
• Clearance angle: 11°
• Nose radius: 0.8 mm
• Inscribed circle / size: 12 mm
• Thickness: 4.76 mm

Design and special features

• Square-shaped insert
• Central cylindrical hole with single-side countersink (40°–60°)
• One-sided chipbreaker
• ISO-normed turning insert for external and internal turning
• Intended for stable to slightly interrupted cutting on stainless steels

FAQ

What materials is this insert suitable for?
The SPMT120408 T6215 insert is designed primarily for machining stainless steels, offering wear-resistant performance under stable to slightly interrupted turning conditions.

Can this insert be used in internal turning operations?
Yes, the ISO-format geometry and central fastening allow use in both external and internal turning applications when matched with an appropriate holder or boring bar.

What are the key dimensional values to check for holder compatibility?
Check the inscribed size (12 mm), thickness (4.76 mm), nose radius (0.8 mm) and the central hole/countersink style to ensure correct fit with the chosen holder.

Is the chip control suitable for continuous production runs?
The one-sided chipbreaker and the T6215 grade provide controlled chip formation and stable edge life, making the insert well suited to continuous production where consistent surface quality is required.

How does the T6215 grade behave under interrupted cuts?
The T6215 grade is optimised for stable to lightly interrupted conditions; for heavier interruptions a grade with higher edge strength may be preferable.

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.