CNMG 090408 NS9530 Wendeplatten - Tungaloy

Take advantage of the proven combination of precise finishing performance, economical double-sided use and wide holder compatibility for consistent production quality. Order the insert directly via Metav Werkzeuge or consult our specialists for tailored holder recommendations.

CNMG 090408 NS9530 Tungaloy turning indexable insert — ISO CNMG finishing geometry

The CNMG090408 NS9530 Tungaloy indexable insert is an ISO‑standard rhombic turning insert designed for precision finishing of steel components in continuous cutting operations.

• ISO CNMG 090408 geometry, rhombic 80° insert
• NS9530 uncoated cermet for finishing
• Sharp cutting edge for superior surface finish
• Double-sided chipbreaker, economical use

Precision finishing with a cermet cutting edge

The CNMG090408 NS9530 insert pairs an uncoated cermet grade with an ISO CNMG geometry to deliver low cutting forces and consistently high surface quality in finish turning. Cermet combines ceramic hardness with metal toughness: the result is a wear‑resistant cutting edge that maintains sharpness for longer when machining steel at low to moderate feeds. This behaviour reduces the need for frequent edge changes and supports reproducible component finishes, which is particularly beneficial in serial production where repeatability and surface integrity are required.

Compatibility guidance for secure, repeatable clamping

Compatibility with holders is determined by insert form, relief angle, tolerance class, fastening method, size and thickness; the CNMG shape and the 80° included angle allow secure seating in common outer holders and boring bars. The insert features a cylindrical centre hole for positive locating and a plate thickness of 4.76 mm, which together ensure stable clamping and repeatable axial positioning. When selecting a clamping system, match the holder pocket to the ISO CNMG geometry and verify the relief angle and tolerance class to avoid run‑out and vibration that would compromise finish quality.

Efficient use and productivity advantages

The double‑sided design with an integrated chipbreaker makes this insert an economical option: two usable cutting edges extend tool life per index and reduce tooling cost per component. The double‑sided chipbreaker is optimised for continuous cuts and small depths of cut typical of finishing operations, supporting consistent chip control and uninterrupted spindle time. For manufacturers seeking a balance between productivity and surface excellence, this grade reduces downtime for tool changes and contributes to steady cycle times on turning centres.

Recommended applications and material scope

This finishing grade is intended primarily for steel finish turning where a sharp edge and low cutting forces are priorities. The NS9530 cermet is particularly suited to continuous, stable cuts and small ap values; it performs best when interrupted cuts and heavy roughing are avoided. For mixed production where a range of steels is encountered, select matching chipbreaker styles and consider the holder rigidity to maintain the fine edge condition and achieve the expected high surface finish.

Choose Tungaloy's NS9530 finishing grade for demanding turning applications — contact Metav Werkzeuge for application advice, matching holder recommendations or to order via info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6944506
• SKU: 6944506-Tungaloy
• Manufacturer SKU: TUN6944506
• Model series: ISO-Drehwendeschneidplatten
• Material: Hartmetall

Facts

• Geometry: CNMG 090408 (ISO)
• Included angle: 80°
• Corner radius: 0.8 mm
• Plate thickness: 4.76 mm
• Plate size: 09
• Relief angle/free angle: 0°
• Hole: with hole — cylindrical hole

Special features

• Grade: NS9530
• Uncoated cermet cutting material
• Rhombic plate form
• Double-sided chipbreaker
• Designed for finishing of steel
• Compatible with ISO CNMG holders
• Typical system: insert + outer holder/boring bar + clamp/support parts

FAQ

What applications suit this insert best?
The CNMG090408 NS9530 Tungaloy insert is optimised for finish turning of steel in continuous cutting conditions, offering a sharp edge and low cutting forces for high surface quality.

Is the insert compatible with common CNMG holders?
Yes — the insert follows the ISO CNMG 090408 geometry; compatibility depends on matching the holder pocket to the insert form, relief angle and tolerance class.

How does the NS9530 grade affect tool life?
The NS9530 uncoated cermet provides good edge life in finishing applications by maintaining a sharp cutting edge, reducing the frequency of indexing for consistent surface results.

Can this insert be used for roughing or interrupted cuts?
This grade is primarily a finishing sort; for heavy interrupted cuts or aggressive roughing, a more robust grade and different chipbreaker are recommended.

What is the benefit of the double‑sided chipbreaker?
The double‑sided chipbreaker offers two usable edges per face, improving economy and ensuring better chip control during finish turning operations.

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.