TNMG 160404 NS520 Wendeplatten - Tungaloy

High-precision finishing and repeatable tool life result from the combination of the NS520 cermet grade and the TNMG160404 triangular form with a 0.4 mm corner radius; this provides excellent surface quality and predictable wear for finishing to light turning of steel. Order directly via Metav Werkzeuge or consult our specialists for configuration advice.

TNMG 160404 NS520 — TNMG160404 NS520 Tungaloy indexable turning insert for Turning

TNMG160404 NS520 Tungaloy insert is a triangular, ISO-format indexable insert engineered for finishing and light turning on steel components

• Cermet grade NS520 for superior finishes
• 0.4 mm corner radius for precise profiles
• ISO TNMG160404 triangular form, 60° included angle
• Cylindrical hole and screw clamping compatibility

Achieve consistent surface finish with a cermet grade optimised for finishing

The TNMG160404 NS520 is designed as a cermet finishing solution that focuses on delivering a high-quality surface and even wear behaviour during light turning. The NS520 grade combines the hardness of cermet with a controlled coating behaviour to maintain edge integrity, which translates into fewer tool changes and more predictable part quality. The 0.4 mm corner radius supports accurate profile generation while limiting cutting forces, so components emerge with improved dimensional accuracy and reduced need for secondary finishing.

Secure clamping and ISO compatibility for reliable production cycles

This triangular ISO insert features a 60° included angle, a cylindrical hole and compatibility with standard screw-clamp holders, ensuring secure seating and repeatable positioning in the toolholder. The plate thickness of 4.76 mm and size 16 mm give structural stability for finishing passes, while the 0° clearance angle supports controlled cutting geometry in a wide range of turning set-ups. Because holder compatibility depends on form, clearance, tolerance class, fastening and size, using an ISO TNMG insert simplifies selection and replacement within established holder families.

Operational efficiency through the right chip control and material pairing

The double-sided chipbreaker design offers flexible edge indexing and economical use of each insert face, contributing to lower cost per part. For finishing and light machining of steel, select the NS520 cermet and a chipbreaker tuned to the workpiece rigidity and feed conditions; this reduces built-up edge and achieves uniform wear across cuts. The insert’s composition—cermet (coated or uncoated)—is optimised for surface quality and dimensional stability rather than heavy-duty roughing, making it a cost-effective choice where surface finish and repeatability are decisive.

For tailored tooling recommendations and prompt supply of TNMG160404 NS520 inserts, contact Metav Werkzeuge — email info@metav-werkzeuge.com or call +49 2822 7131930 for application support and fast delivery

Technical data

• Article number: 6808408
• Manufacturer SKU: TUN6808408
• SKU: 6808408-Tungaloy
• Model series: ISO turning inserts

Numbers / Core technical data

• Corner radius: 0.4 mm
• Included angle: 60°
• Plate size: 16 mm
• Plate thickness: 4.76 mm
• Clearance angle: 0°
• Manufacturer article number: 6808408

Designs / Special features

• Grade: NS520 (cermet)
• Cutting material type: Cermet / coated cermet
• Chipbreaker: double-sided
• Hole: with cylindrical hole
• Plate form: triangular
• Typical application: Turning (external and internal)
• System components: ISO insert, compatible holder, clamp set, replacement screws

FAQ

What applications is this insert best suited to?
The TNMG160404 NS520 insert is intended for finishing to light turning of steel, providing fine surface quality and stable wear for external and internal turning tasks.

How is the insert clamped in the holder?
This triangular insert uses a cylindrical hole and screw clamping; the TNMG160404 NS520 is compatible with standard ISO clamping systems when the holder matches form, clearance and tolerance class.

Can the NS520 grade be used for roughing?
The NS520 cermet grade is optimised for finishing and light machining; for heavy roughing operations a different, more wear-resistant grade would be more suitable.

How many cutting edges are available per insert face?
The double-sided chipbreaker design allows multiple indices per insert, increasing usable edge count and lowering the cost per edge for the TNMG160404 NS520.

What materials can be machined with this insert?
The TNMG160404 NS520 is specified for use on steel in finishing and light turning applications; select chipbreaker and feeds according to part rigidity and surface requirements.

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.