CPMT 09T302 NS9530 Wendeplatten - Tungaloy

Benefit from a combination of high-precision finishing and reliable chip control: the uncoated NS9530 cermet provides a sharp cutting edge and low cutting forces for excellent surface quality, while the ISO rhombic geometry ensures broad holder compatibility. Order the CPMT09T302 insert directly via Metav Werkzeuge or consult our team for selection support.

CPMT09T302 NS9530 Tungaloy indexable turning insert — rhombic ISO insert for finishing (turning)

The CPMT09T302 NS9530 Tungaloy insert is a rhombic ISO turning insert designed for finishing operations in steel, offering a sharp cutting edge and a one-sided chipbreaker for consistent surface quality.

• ISO rhombic insert, 80° geometry
• Uncoated cermet grade NS9530
• Sharp edge for superior surface finish
• 0.2 mm corner radius and 11° clearance

Precision finishing performance for steel turning

The insert is specially developed as a finishing grade for steel, with the uncoated NS9530 cermet delivering a consistently sharp cutting edge and low cutting forces. This results in reduced vibration and improved surface integrity when performing external and internal turning with small depths of cut. The rhombic geometry and an included angle of 80° support repeatable profile accuracy, which is particularly valuable where tight dimensional tolerances and high-quality surfaces are required. The design targets continuous cuts and fine feed rates, where minimal edge wear translates directly into longer intervals between indexings and more predictable component finish.

Compatibility and holder considerations for reliable installation

Compatibility with toolholders is governed by the insert form, clearance angle, tolerance class, fastening method, size and thickness. The ISO designation and the rhombic form make the insert broadly compatible with standard external holders and boring bars that accept 09-size plates, while the cylindrical hole with a single-side countersink (40°–60°) facilitates secure clamping and accurate seating. The plate thickness of 3.97 mm and the 0.2 mm corner radius should be matched to the machine stiffness and workpiece support to maintain stable cutting conditions. Explaining these parameters helps in choosing a holder and tightening sequence that preserve geometry and avoid slippage during finishing passes.

Practical benefits in machining and process planning

Using a finishing-grade cermet insert reduces cutting forces and generally improves surface finish compared with more general-purpose grades, so cycle times can be optimised without compromising quality. The one-sided chipbreaker promotes predictable chip formation for continuous cuts, lowering the risk of surface damage and improving downstream handling. For process planners this means fewer corrective passes and a more consistent first-time-right yield. As a rational choice, the geometry and grade combination offers a favourable balance between tool life and part quality for small depth-of-cut, high-surface-finish operations.

Handling recommendations and material considerations

The grade is most effective on steels under continuous cutting conditions and smaller depths of cut; interrupted cuts or heavy roughing are not its primary use case. When fitting the insert, ensure the correct seating on the clamp and adherence to the holder manufacturer’s torque recommendations to maintain the intended 11° clearance and positional accuracy. The insert’s NS9530 grade and rhombic shape contribute to predictable wear patterns, simplifying tool change intervals and inventory planning. For applications requiring other material compatibility or higher toughness, consider alternative grades or geometries suited to heavier engagements.

For finishing-oriented turning tasks, choose the Tungaloy CPMT09T302 NS9530 insert through Metav Werkzeuge — contact our consultants for application-specific advice at info@metav-werkzeuge.com or call +49 2822 7131930.

Technical Data

• Article number: 6945224
• Manufacturer SKU: TUN6945224
• Model series: ISO-Drehwendeschneidplatten
• ISO designation: CPMT09T302
• Brand: Tungaloy

Facts

• Insert size: 09
• Included angle: 80°
• Corner radius: 0.2 mm
• Clearance (relief) angle: 11°
• Plate thickness: 3.97 mm
• Hole: cylindrical hole with single-side countersink (40°–60°)

Features

• Cutting material type: uncoated cermet (NS9530)
• Chipbreaker: one-sided
• Plate shape: rhombic
• Typical application: external and internal turning (finishing)
• Compatibility note: Holder fit determined by form, clearance, tolerance, fastening, size and thickness

FAQ

What applications is this insert best suited for? The CPMT09T302 NS9530 Tungaloy insert is intended for finishing operations in steel, providing a sharp cutting edge and low cutting forces for high surface quality in external and internal turning.

How does the NS9530 grade affect surface finish and tool life? The uncoated NS9530 cermet grade favours a sharp edge and low cutting forces, improving surface finish in continuous cuts; tool life is optimised for fine finishing rather than heavy interrupted machining.

Which holders are compatible with this ISO plate? Compatibility depends on form, clearance, tolerance class, fastening, size and thickness; the ISO rhombic form and the cylindrical hole with countersink enable use with standard holders designed for 09-sized rhombic inserts.

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.