CPMT 09T304 T9215 Wendeplatten - Tungaloy

The combination of a CVD-coated carbide grade designed for medium steels and a compact 0.4 mm corner radius delivers reliable productivity and stable chip control in continuous to lightly interrupted turning operations; order directly via Metav Werkzeuge or consult the team for holder compatibility and process optimisation.

CPMT 09T304 T9215 – Indexable turning insert for turning by Tungaloy

The CPMT09T304 T9215 is an ISO-standard rhombic indexable turning insert engineered for external and internal turning, offering a balance of wear resistance and fracture toughness for medium steel machining.

• ISO rhombic insert CPMT09T304 T9215
• CVD-coated carbide for medium steel
• 0.4 mm corner radius, 11° clearance angle
• Cylindrical hole with 40°–60° countersink

Consistent performance from a CVD-coated carbide grade

The grade is a CVD-coated carbide formulation (T9215) developed as a first choice for machining medium steel, combining high wear resistance with good fracture toughness. That pairing reduces unexpected edge failure during stable production runs and helps maintain dimensional consistency over longer tool life. In practical terms, this means fewer interruptions for insert changes and a steadier cycle time when cutting at moderate feeds and speeds. The coating also supports a wide range of cutting parameters, making the insert suitable for many shop-floor turning tasks.

Geometry and chip control that support productivity

The rhombic ISO form with an included angle close to 80°, a 0.4 mm corner radius and an 11° clearance angle gives a robust edge geometry that tolerates variations in feed while maintaining surface finish. The single-sided chipbreaker assists predictable chip formation in continuous to lightly interrupted cuts, reducing the risk of built-up edge. The insert features a cylindrical hole with a single-side countersink (40°–60°) for secure mounting in compatible holders; thickness is 3.97 mm which contributes to stability during heavier cuts.

Practical guidance for selection and application

Designed for a typical turning system that includes an insert, a matching external holder or boring bar, and appropriate clamping hardware, this ISO-standard spare is most effective when the holder matches form, clearance, tolerance class, fastening method, size and thickness. Select the chipbreaker and grade to match the workpiece, machining type and rigidity of the setup to exploit the insert’s strengths: reliable chip formation and extended wear life. The result is reduced tool-change frequency and more predictable production output in batch and series turning.

Contact Metav Werkzeuge for tailored advice on holder compatibility and process settings for the Tungaloy CPMT09T304 T9215 indexable turning insert

Technical data

• Article number: 6774075

• SKU: 6774075-Tungaloy

• Manufacturer SKU: TUN6774075

• Manufacturer article number: 6774075

Facts

• Insert designation: CPMT09T304
• Size: 09
• Thickness: 3.97 mm
• Corner radius: 0.4 mm
• Clearance angle: 11°
• Included angle: 80°

Special features

• Material: carbide
• Coating: CVD-coated (T9215)
• Form: rhombic ISO insert
• Hole: cylindrical hole + single-side countersink (40°–60°)
• Chipbreaker: single-sided
• Application: turning (external and internal)
• ISO series: ISO turning indexable inserts

FAQ

What materials is the CPMT09T304 T9215 insert best suited for?
The CPMT09T304 T9215 insert is optimised for medium steel machining; the CVD-coated carbide grade balances wear resistance and toughness for this material class.

How does the 0.4 mm corner radius affect performance?
A 0.4 mm corner radius provides a compromise between strength and edge sharpness, improving tool life under moderate feeds while still achieving acceptable surface finish with the CPMT09T304 T9215.

Which holders are compatible with this ISO insert?
Compatibility depends on holder form, clearance, tolerance class, fastening method, size and thickness; choose a holder designed for ISO rhombic CPMT inserts and verify the 3.97 mm thickness and mounting style.

Can the CPMT09T304 T9215 handle interrupted cuts?
Yes, the grade and geometry are suitable for continuous to lightly interrupted cuts; for severe interruptions, consider a more robust geometry or modified cutting conditions.

What does the hole style mean for mounting?
The cylindrical hole with a single-side countersink (40°–60°) ensures secure clamping and correct seating in holders designed for this ISO hole standard.

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.