CNMG 120408 T9205 Wendeplatten - Tungaloy

Benefit from the combination of CVD-coated T9205 carbide for productive steel turning, a precise 0.8 mm corner radius and ISO CNMG 120408 rhombic geometry for stable cuts and consistent surface quality. Order the CNMG120408 T9205 turning insert directly via Metav Werkzeuge or ask our consultants if needed.

CNMG 120408 T9205 indexable turning insert for turning — Tungaloy

The CNMG120408 T9205 is a rhombic ISO indexable insert engineered for productive external and internal turning of steel under stable machining conditions.

• CVD-coated carbide T9205 for steel machining
• ISO CNMG 120408 rhombic insert, 80° geometry
• 0.8 mm corner radius for precise turning
• Double-sided chipbreaker, cylindrical hole

Increase throughput with a wear-resistant CVD coating

The CVD-coated T9205 grade combines a wear-resistant carbide substrate with a protective CVD coating to enable higher cutting speeds and reduced flank wear when machining steel. This results in longer intervals between index changes and fewer tool-related stops in serial production, directly supporting improved productivity and process stability. The coated surface also helps maintain dimensional accuracy over extended runs, which benefits repeatability in batch production and reduces scrap rates.

Reliable compatibility and straightforward clamping for consistent results

Designed to the ISO CNMG 120408 form, the insert’s rhombic shape and the 80° included angle provide a balance between strength and versatility for a wide range of turning tasks. The insert specification (form, relief angle, tolerance class, fixing, size and thickness) determines compatibility with holders; the CNMG geometry with a cylindrical hole and 4.76 mm thickness ensures secure clamping in standard external holders or boring bars. This predictable fit simplifies tool setup, shortens changeover times and supports consistent machining performance across different machines.

Chip control and edge integrity for stable surface quality

A double-sided chipbreaker layout provides effective chip control across a variety of cutting conditions, promoting continuous material evacuation and protecting the cutting edge. The 0.8 mm corner radius delivers a precise balance between edge strength and finish: small enough for fine detail yet robust enough to withstand increased feed rates under stable conditions. As a result, the insert is particularly suited to productive turning operations on steel where a combination of surface finish and cycle efficiency is required.

Practical design for workshop reliability

Made from carbide and optimised for turning, the insert integrates into a system consisting of ISO turning inserts, the appropriate external holder or boring bar, backing/clamping set and replacement screws. Choosing the correct chipbreaker and grade for the workpiece and machining stability is essential: the T9205 grade is intended for productive steel machining where consistent tool life and reliable chip formation are priorities. Clear specification of the insert’s geometric and coating properties aids process planning and repeatable results in production environments.

Contact Metav Werkzeuge for tailored application advice and secure supply of the Tungaloy CNMG 120408 T9205 indexable turning insert — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6785695
• SKU: 6785695-Tungaloy
• Manufacturer SKU: TUN6785695
• Designation: CNMG120408 T9205 Tungaloy turning insert

Core technical data

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Included angle: 80°
• Relief angle: 0°
• Hole: with cylindrical hole
• Model series: ISO turning indexable inserts

Design & features

• Material: carbide
• Coating: CVD (T9205)
• Shape: rhombic
• Chipbreaker: double-sided
• Application: turning — external and internal
• Compatibility: ISO holders (form, relief, tolerance, fixing, size, thickness)
• System components: insert, holder/boring bar, backing/clamping set, replacement screws

FAQ

What materials is this insert intended for? The Tungaloy CNMG120408 T9205 insert is optimised for machining steel; the CVD T9205 coating supports productive turning under stable cutting conditions.

How does the 0.8 mm corner radius affect performance? A 0.8 mm corner radius increases edge strength for stable feeds while still enabling a good surface finish, making it suitable for many external and internal turning tasks.

Is the insert compatible with standard ISO CNMG holders? Yes. The CNMG120408 form and specified thickness and hole ensure compatibility with standard ISO CNMG holders, provided the holder matches the insert’s form, relief angle, tolerance and fixing method.

What is the advantage of the double-sided chipbreaker? The double-sided chipbreaker improves chip control and promotes continuous evacuation, reducing the risk of recutting and supporting consistent surface quality over longer cuts.

Which mounting components are required for use? Use the insert together with a matching external holder or boring bar, a suitable backing/clamping set and the correct replacement screws for secure mounting.

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.