CNMG 120412 NS9530 Wendeplatten - Tungaloy

Take advantage of the NS9530 finishing grade and the sharp cutting geometry to achieve consistently high surface quality while keeping cutting forces low; the ISO conformity of the insert simplifies toolholder selection and machine integration. Order the inserts via Metav Werkzeuge or consult the technical advisers for application-specific recommendations.

CNMG 120412 NS9530 — ISO rhombic turning insert for finishing (Tungaloy)

The CNMG120412 NS9530 is an ISO‑design turning insert designed for precision external and internal turning, optimised for finishing steel with small depths of cut.

• Cermet uncoated for superior surface finish
• Sharp cutting edge for low cutting forces
• ISO‑standard rhombic insert, 80° included angle
• Double‑sided with cylindrical hole for secure clamping

Exceptional finishing performance with reduced cutting forces

The uncoated cermet grade NS9530 is formulated for finishing operations where high surface finish and low cutting loads are priorities. As an indexable turning insert with a sharp cutting edge, it reduces cutting forces and generates a fine surface without requiring high feed rates. The result is a predictable, repeatable finish on steels during continuous cuts and when using small depths of cut. This performance profile supports higher productivity through fewer rework cycles and improved first‑pass quality.

Reliable fit and simple integration into ISO tool systems

Compatibility with the clamping system is determined by form, relief angle, tolerance class, attachment style, size and thickness. The rhombic geometry with an 80° included angle and a cylindrical hole ensures positive indexing in matched holders and boring bars. Where holder stability and correct seating are critical, selecting the matching ISO‑compliant holder and correct tolerance class preserves tool life and prevents chatter. Clear specification of these parameters simplifies procurement and reduces setup time on the shop floor.

Practical benefits of the grade and design in shop environments

The combination of an uncoated cermet substrate and a double‑sided configuration makes the insert economical for finishing tasks. The sharp edge and low cutting force characteristics lower power draw and heat generation, which helps maintain dimensional stability on thin‑walled components and long overhangs. Because the grade is aimed at continuous cutting and small depths, toolpaths and cycle planning can focus on surface integrity and minimised secondary operations rather than aggressive stock removal.

Handling, life cycle and application guidance

The insert’s rhombic form and 12 mm size provide straightforward handling and storage; its indexable nature allows two cutting edges per position and reduces tooling costs over multiple regrinds or replacements. For best results with steel workpieces, pair the insert with a rigid holder, correct feed and cutting speed settings and stable workholding. If machining parameters need optimisation for specific alloys or intermittent cutting, the technical team can advise on substitute grades or alternate chipbreaker options.

Contact Metav Werkzeuge for tailored application advice on the CNMG120412 NS9530 finishing grade; Metav Werkzeuge can recommend compatible holders and cutting parameters to match the machining task — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical information

• Article number: 6944520
• Manufacturer SKU: TUN6944520
• Model series: ISO‑Drehwendeschneidplatten
• Application: Turning
• Label: CNMG120412 NS9530 Tungaloy‑turning insert

Core data

• Insert size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Included angle: 80°
• Relief angle: 0°
• Hole: with cylindrical hole
• Double‑sided chipbreaker

Design & features

• Uncoated cermet grade NS9530
• Rhombic insert shape (CNMG120412)
• Sharp cutting edge for finishing steel
• Intended for continuous cutting and small depths of cut
• Compatibility determined by form, relief angle, tolerance, attachment, size and thickness
• Material: carbide substrate

FAQ

What materials is this insert intended for?
The NS9530 grade is an uncoated cermet finishing grade optimised for machining steels; it delivers a high surface finish and low cutting forces when used for continuous cutting and small depths of cut.

How is holder compatibility ensured for this ISO insert?
Compatibility depends on the insert’s form, relief angle, tolerance class, attachment method, size and thickness; the CNMG120412 designation and the 80° geometry simplify selection of an appropriate ISO‑compliant holder.

Can the insert be indexed to use multiple cutting edges?
Yes — the CNMG120412 is double‑sided, allowing indexing to extend cutting life and reduce tooling cost per edge.

What are the key advantages of the NS9530 cermet grade in finishing?
NS9530 offers a sharp cutting edge and low cutting forces, which improve surface integrity and reduce the need for additional finishing operations on steel components.

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.