CNGG 120408 NS9530 Wendeplatten - Tungaloy

Take advantage of a finishing-grade uncoated cermet designed for low cutting forces and excellent surface finish; the combination of 80° rhombic geometry and a 0.8 mm corner radius ensures stable, repeatable turning results in continuous cuts — Order the CNGG120408 NS9530 insert directly via Metav Werkzeuge or ask our consultants if needed.

CNGG 120408 NS9530 ISO turning insert — finishing for steel by Tungaloy

The CNGG120408 NS9530 is an ISO-standard rhombic turning insert tailored for finishing operations on steel, featuring a sharp cermet grade for low cutting forces and high surface quality.

• Finishing cermet for steel
• Sharp edge with low cutting forces
• Rhombic 80° geometry
• 0.8 mm corner radius

Predictable finishing performance with a sharp cermet grade

The finishing uncoated cermet NS9530 provides a consistently sharp cutting edge that reduces cutting forces and improves surface integrity on steel. As a consequence, operators can achieve a finer surface finish with smaller depths of cut and continuous cutting conditions; this is particularly beneficial where dimensional accuracy and minimal post-process work are priorities. The material choice suits applications where thermal stability and edge acuity matter more than heavy interrupted cuts, offering efficient material removal while maintaining excellent part appearance.

ISO conformity and holder compatibility for reliable machining

The insert follows the ISO CNGG120408 designation and is manufactured with the standard form, relief angle and thickness that define compatibility with matching toolholders. Correct pairing depends on form, relief angle, tolerance class, fastening method, size and thickness — selecting a compatible 80° rhombic holder ensures secure clamping and repeatable positioning. Using the correct assembly reduces vibration, improves tool life and simplifies tool changeover in serial production environments, supporting process stability and predictable cycle times.

Stability and chip control that support surface quality

A 0.8 mm corner radius and a plate thickness of 4.76 mm provide the rigidity needed for finishing passes; the combination reduces deflection at small feed rates and promotes consistent edge engagement. The insert’s double-sided chipbreaker geometry aids chip control under continuous cutting conditions, while the cylindrical locating hole improves clamping accuracy in compatible holders. These design elements together mean fewer interruptions from poor chip flow and a more consistent surface finish across batches.

Application guidance and practical advantages for the workshop

Designed primarily for turning steel in finishing operations, this ISO insert is best applied with small radial depths and continuous cuts to exploit the sharp cermet grade. The uncoated cermet is optimised for low cutting forces and fine finishes rather than heavy roughing or highly interrupted work; selecting the appropriate chipbreaker and matching the insert grade to the workpiece material and machining stability will extend performance. For operators seeking predictable surface results and straightforward insertion into standard ISO tool systems, this insert delivers an efficient, production-oriented solution.

Contact Metav Werkzeuge to discuss the suitability of the Tungaloy CNGG120408 NS9530 insert for specific turning tasks and to obtain availability and technical advice

Technical data

• Article number: 6997790
• SKU: 6997790-Tungaloy
• Manufacturer SKU: TUN6997790
• Brand: Tungaloy
• Model series: ISO turning inserts

Facts

• Corner radius: 0.8 mm
• Included angle: 80°
• Relief angle: 0°
• Thickness: 4.76 mm
• Size: 12 mm

Special features

• ISO designation: CNGG120408
• Grade: NS9530 (uncoated cermet)
• Plate shape: rhombic
• Chipbreaker: double-sided
• Hole style: cylindrical hole
• Typical application: finishing turning on steel

FAQ

What materials is this insert suitable for? The CNGG120408 NS9530 insert is designed primarily for finishing operations on steel, with the NS9530 uncoated cermet optimised for low cutting forces and high surface quality.

Which geometry and radius does the insert have? This ISO insert uses an 80° rhombic geometry with a 0.8 mm corner radius, providing a balance between edge strength and fine-surface capability.

Is the insert indexable and how is it secured? The insert is double-sided with a cylindrical locating hole and is intended for use in compatible ISO holders that match form, size, thickness and fastening method.

Can this grade be used for roughing or interrupted cuts? The NS9530 finishing grade is optimised for continuous cuts and small depths of cut; it is not primarily intended for heavy roughing or heavily interrupted machining.

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.