DCMT 11T312 T6215 Wendeplatten - Tungaloy

Benefit from the combination of CVD-coated carbide wear resistance and a 1.2 mm corner radius for steady, repeatable turning of stainless steels; compatible with ISO-form holders and available via Metav Werkzeuge for rapid supply or advisory support.

DCMT 11T312 T6215 turning insert — Tungaloy (CVD-coated carbide, 1.2 mm radius)

The DCMT11T312 T6215 is an ISO-standard indexable turning insert intended for external and internal turning of stainless steels under stable to lightly interrupted cutting conditions

• CVD-coated carbide for wear resistance
• 1.2 mm corner radius for stable cutting
• ISO rhombic form, size 11
• Single-sided chipbreaker, with countersunk hole

Consistent performance through CVD-coated carbide

The CVD-coated carbide grade provides a hard, wear-resistant surface that prolongs cutting life and reduces flank wear during prolonged operation. Chemical vapour deposition (CVD) applies a thin, durable coating that resists adhesion and heat-related wear; this is especially helpful when machining tough alloys. The result is longer tool life and fewer index changes, supporting uninterrupted production and predictable maintenance intervals.

Geometry and clamping that ensure process reliability

An ISO rhombic insert in size 11 with a 55° approach promotes accessibility for external and internal turning while maintaining a stable cutting force direction. The insert thickness of 3.97 mm and the with-hole design — a cylindrical hole plus a one-sided countersink (40°–60°) — ensure secure clamping in compatible holders. Proper clamping reduces vibration and runout, which directly improves surface finish and dimensional repeatability in serial production.

Designed chip control for stainless-steel turning

The T6215 grade combined with a single-sided chipbreaker is optimised for machining stainless steels where stringy chips and work-hardening present common challenges. The chipbreaker promotes predictable chip formation and evacuation, lowering the risk of built-up edge and improving coolant access. Choosing the correct chipbreaker and grade helps to reduce secondary operations, so machining cycles become more economical and less labor-intensive.

Practical handling and system compatibility for workshop efficiency

A 1.2 mm corner radius balances edge strength and small-feature capability: it resists chipping on interrupted cuts while allowing fine finishing where required. The DCMT geometry and ISO designation mean the insert fits a wide range of standard turning holders; spare screws, clamping sets and matching carriers form the complete system. Clear selection of holder form, relief angle and tolerance class guarantees interchangeability and simplifies tool inventory management.

Contact Metav Werkzeuge for technical compatibility checks and prompt supply of the Tungaloy DCMT11T312 turning insert — eMail info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6903096-Tungaloy
• Manufacturer article number: 6903096
• Manufacturer SKU: TUN6903096
• Series: ISO-Drehwendeschneidplatten
• Application: Turning
• Material: Carbide
• Grade: T6215

Core Data

• Corner radius: 1.2 mm
• Relief angle: 7°
• Approach angle: 55°
• Thickness: 3.97 mm
• Insert size: 11

Special features

• CVD-coated carbide
• ISO rhombic form (DCMT)
• Single-sided chipbreaker
• With hole: cylindrical hole + one-sided countersink (40°–60°)
• Compatible with ISO-standard turning holders
• Suited for external and internal turning of stainless steels

FAQ

What materials is this insert best suited for? The Tungaloy DCMT11T312 in grade T6215 is optimised for turning stainless steels, offering improved wear resistance and chip control for these alloys.

How does the CVD coating affect tool life? The CVD-coated carbide surface on the DCMT11T312 improves resistance to adhesion and thermal wear, extending service life compared with uncoated grades under comparable cutting conditions.

What clamping types are compatible with this insert? The ISO rhombic DCMT form fits standard ISO holders that accept size 11 inserts and use a cylindrical hole with a countersunk screw seating; compatibility depends on holder form, relief angle and tolerance class.

Which chipbreaker should be chosen for interrupted cuts? For stable to lightly interrupted conditions the single-sided chipbreaker supplied with this grade provides reliable chip control; match chipbreaker geometry to material and stability for best results.

Is this insert suitable for fine finishing? Yes — the 1.2 mm corner radius and CVD-coated grade enable stable finishing when using appropriate feed and speed values, while maintaining edge strength for moderate interruptions.

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.