DCMT 11T308 NS9530 Wendeplatten - Tungaloy

Take advantage of a precision finishing insert that combines a low cutting-force geometry with a very sharp cutting edge for superior surface quality; ideal for continuous turning operations in steel. Order directly via Metav Werkzeuge or consult our specialists for application-specific selection and stock availability.

DCMT 11T308 NS9530 – Indexable Turning Insert for Turning, Tungaloy

The DCMT 11T308 NS9530 insert offers a finishing geometry for steel turning with a sharp edge and ISO compatibility.

• ISO rhombic insert, DCMT geometry
• Uncoated cermet NS9530 finishing grade
• Sharp cutting edge for superior surface finish
• Compatible with ISO turning holders

Precision finishing for demanding steel turning

The NS9530 grade is an uncoated cermet developed for finishing operations in steel, delivering a sharp cutting edge and low cutting forces that reduce tool marks and improve productivity. This behaviour supports continuous cuts and small depths of cut, making the insert especially suitable where consistent surface finish is required. The combination of a fine edge and a cermet substrate ensures stable performance on long runs and contributes to reduced rework rates, which is a clear operational advantage in batch and serial production.

Stable cutting geometry for consistent results

A well-defined geometry with a 0.8 mm corner radius and an optimised chipformer produces predictable chip flow and helps maintain dimensional accuracy during finishing passes. The single-sided chipbreaker is tuned for light cuts, so burr formation and vibration are minimised while the insert sustains a consistent edge line. In practice, this leads to fewer interruptions, a lower scrap rate and improved process reliability when finishing shafts, shoulders or external profiles on steel components.

Secure clamping and ISO compatibility for easy integration

Built to the ISO standard, the rhombic shape and the cylindrical hole with one-sided countersink (40°–60°) ensure secure seating in common indexable holders and boring bars. With a nominal size of 11 mm, 3.97 mm thickness and standard tolerances, the insert can be integrated into existing tool systems without modification, simplifying tool inventory and changeover logistics. The consistent mechanical fit supports repeatable clamping and reduces set-up time on multi-machine shops.

Practical selection tips and application guidance

Select this finishing grade when the priority is minimal cutting force and excellent surface appearance rather than heavy material removal. The cemented carbide substrate offers wear resistance appropriate for fine finishing of medium-strength steels under continuous cutting conditions. For best results, pair the insert with a rigid holder, modest feed rates and shallow depths of cut; the combination optimises tool life and delivers the intended high surface quality while maintaining process stability.

For precision finishing tasks with Tungaloy inserts, contact Metav Werkzeuge for tailored advice and availability — info@metav-werkzeuge.com / +49 2822 7131930

Technical data

• Article number: 6998482-Tungaloy
• Manufacturer article number: 6998482
• Manufacturer SKU: TUN6998482
• Model series: ISO turning indexable inserts
• Label: DCMT11T308 NS9530 Tungaloy insert

Facts

• Size: 11 mm
• Thickness: 3.97 mm
• Corner radius: 0.8 mm
• Clearance angle: 7°
• Cutting angle: 55°

Special features

• Shape: rhombic
• Material: cemented carbide
• Grade: NS9530 (uncoated cermet finishing grade)
• Chipbreaker: single-sided
• Hole: cylindrical hole + one-sided countersink (40°–60°)
• Application: Turning; finishing in steel; continuous cuts; small depths of cut
• Compatibility: ISO‑standard insert for matching holders

FAQ

Is this insert suitable for finishing steel components?
Yes. The DCMT11T308 NS9530 is a finishing-grade uncoated cermet insert designed specifically for finishing operations in steel, delivering low cutting forces and improved surface quality.

Which holder types are compatible with this geometry?
Compatibility is ensured by the ISO rhombic form and the cylindrical hole with countersink; the insert fits standard indexable turning holders and suitable boring bars when the holder matches the DCMT profile and size.

What are the key dimensions to check when replacing an insert?
Verify the insert size (11 mm), thickness (3.97 mm), corner radius (0.8 mm) and the hole/countersink specification to ensure secure clamping and correct seating in the chosen holder.

How does the NS9530 grade perform on continuous versus interrupted cuts?
The NS9530 finishing grade is optimised for continuous cuts and small depths of cut, providing excellent edge sharpness and surface finish; interrupted heavy cuts are not the primary intended use for this grade.

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.