TPGM 090202 NS9530 Wendeplatten - Tungaloy

Benefit from precision finishing thanks to the sharp cutting edge of an uncoated cermet grade and the ISO‑standard triangular form for reliable holder compatibility; request advice from Metav Werkzeuge to integrate the insert into existing tool systems or to confirm holder matching.

TPGM090202 NS9530 — ISO turning insert for finishing applications (Tungaloy)

A TPGM090202 NS9530 indexable turning insert designed for precision external and internal turning, offering a sharp uncoated cermet grade optimised for fine surface quality.

• ISO standard triangular insert TPGM090202
• Uncoated cermet NS9530 for fine finishing
• Sharp edge, low cutting forces, high finish
• One‑sided chipbreaker; 0.2 mm corner radius

Superior surface quality for steel finishing

The uncoated cermet grade NS9530 is formulated for finishing operations on steel where a sharp cutting edge and consistent surface finish are decisive. As a finishing grade, the material enables small depths of cut and continuous cutting regimes while keeping cutting forces low; this reduces workpiece vibration and supports repeatable part quality. The behaviour of cermet differs from coated carbides in having a fine edge retention that benefits turning operations requiring excellent Ra values and minimal secondary finishing.

Predictable integration with ISO tool systems

Compatibility is governed by standardised geometry and mounting details: the triangular form, 11° relief angle, tolerance class, 2.38 mm thickness and the insert’s cylindrical hole determine the correct fit in a holder. It is therefore recommended that the insert is paired with a matching external holder or boring bar; the system typically comprises an ISO insert, an appropriate outer holder or boring bar, a shim/clamp set and replacement screws. These elements ensure secure clamping and correct seat, which is essential for maintaining tool life and process stability.

Efficient cutting performance and chip control

The single‑sided chipbreaker and the 0.2 mm corner radius are tuned for finishing passes: the chipformer supports controlled chip flow and consistent contact conditions along the cutting edge, while the small radius contributes to fine surface finish without raising cutting forces unduly. In practical terms, this combination is advantageous when machining small depths of cut and continuous feed conditions, as it promotes steady cutting and reduces the likelihood of built‑up edge formation on the insert.

Application guidance and handling recommendations

Designed for turning duties, the insert is suitable for both external and internal turning of steel when a high level of surface quality is required. The indexable plate is supplied in an ISO design, so selection of a holder should account for form, free angle, tolerance class, fastening method, size and thickness to secure optimal performance. For workshops and production environments seeking predictable finishing results, the insert provides a pragmatic balance of edge sharpness and chip control, while straightforward mounting supports fast changeovers and consistent part output.

For precision finishing with Tungaloy inserts, contact Metav Werkzeuge to confirm holder compatibility and application parameters — email info@metav-werkzeuge.com or call +49 2822 7131930 for technical consultation and ordering guidance.

Technical data

• Article number: 6998008-Tungaloy
• Manufacturer SKU: TUN6998008
• Manufacturer article number: 6998008
• Brand: Tungaloy
• Model series: ISO turning indexable inserts

Facts

• Shape: triangular
• Insert designation: TPGM090202
• ISO code: 090202
• Corner radius: 0.2 mm
• Relief angle: 11°
• Included hole: with cylindrical hole
• Thickness: 2.38 mm
• Insert size: 09
• Included chipbreaker: one‑sided
• Included grade: NS9530

Special features

• Material: cemented carbide insert body
• Coating: uncoated cermet cutting grade NS9530
• Application: turning (external and internal)
• Typical system composition: ISO insert, matching outer holder or boring bar, shim/clamp set and spare screws
• Compatibility determined by form, relief angle, tolerance, fastening, size and thickness
• Intended use: finishing of steel with sharp cutting edge and low cutting forces

FAQ

What materials is this insert best suited to machine? The insert is specified as a finishing grade for steel; the uncoated NS9530 cermet is optimised for steel turning where low cutting forces and a fine surface finish are required.

How does the chipbreaker affect finishing passes? The one‑sided chipbreaker provides controlled chip formation and evacuation, which stabilises the cut during finishing and contributes to a consistent surface quality when using small depths of cut.

Which holder features must be checked for correct fit? Ensure the holder matches the insert’s triangular form, 11° relief angle, tolerance class, fastening method, size and 2.38 mm thickness; incorrect matching can compromise clamping and repeatability.

Is the insert coated and what are the implications? This is an uncoated cermet grade; the absence of coating supports a sharper edge for finishing, while cermet composition offers fine edge retention suited to continuous cuts.

Can this insert be used for internal turning? Yes, the geometry and chip control make the insert suitable for internal turning tasks where finishing quality is required, provided the correct boring bar or holder is selected.

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.