CNMG 120408 T9205 Wendeplatten - Tungaloy

Take advantage of the combination of high wear resistance, precise ISO compatibility and a robust corner radius to keep turning processes productive and repeatable; order the insert directly via Metav Werkzeuge or ask the consultants for application support.

CNMG 120408 T9205 indexable turning insert by Tungaloy — productive grade for steel with 0° clearance and 80° rhombic geometry

CNMG120408 T9205 is an ISO‑specification indexable insert designed for productive external and internal turning in stable setups, featuring a CVD‑coated cemented carbide grade for elevated cutting speeds.

• ISO CNMG120408 geometry for wide compatibility
• CVD-coated cemented carbide grade T9205
• Double-sided chipbreaker for consistent chip control
• 0.8 mm corner radius for strong cutting edges

Maximise throughput with a wear-resistant CVD grade

The CVD‑coated cemented carbide composition of this grade ensures a balanced wear resistance that suits higher cutting speeds under stable conditions. The hard, wear‑resistant coating reduces flank and crater wear during sustained turning, which translates into longer productive tool life and fewer indexings. For operations focused on efficient cycle times and repeatable quality, the T9205 grade supports process stability and predictable maintenance intervals.

Seamless ISO compatibility reduces setup risk

Built to ISO specifications, the rhombic insert form and the defined tolerance class make holder selection straightforward and minimise mounting errors. Compatibility is determined by shape, relief angle, tolerance class, fixing method, size and thickness; this predictable fit reduces downtime during tool changes and simplifies inventory management across turning toolholders. The standardised geometry supports fast tool replacement and consistent clamping in both external and internal turning applications.

Geometry that improves finish and edge life

The 80° rhombic geometry combined with a 0.8 mm corner radius and 0° clearance provides a robust edge for general turning while supporting improved surface finish on steel. The double‑sided chipbreaker offers repeatable chip control, reducing built‑up edge formation and heat concentration at the cutting zone. Together, these features help maintain dimensional accuracy and surface integrity, especially when machining long runs or interrupted cuts with a stable machine setup.

Practical guidance for selection and use

This insert is intended primarily for turning steel under stable cutting conditions; choose the chipbreaker and grade to match workpiece material and machining stability. Typical system setup comprises the ISO insert, a matching external holder or boring bar, a suitable shim/clamping kit and the correct fastening screw. If additional machining data or cutting parameters are required, the vendor can supply recommendations to adapt feed and speed for the desired balance of productivity and tool life.

Contact Metav Werkzeuge for genuine Tungaloy inserts and tailored cutting‑edge advice — Metav Werkzeuge provides technical support and fast supply options for production environments

Technical data

• Article number: 6785730
• Manufacturer SKU: TUN6785730
• SKU: 6785730-Tungaloy
• Designation: CNMG120408 T9205 Tungaloy insert

Facts

• Insert size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Included angle: 80°
• Relief (clearance) angle: 0°
• Hole style: cylindrical

Special features

• CVD‑coated cemented carbide, grade T9205
• Double‑sided chipbreaker
• Rhombic plate form (CNMG)
• Compatible with ISO turning systems
• Suitable for turning steel

FAQ

Which materials is this insert suitable for?
The CNMG120408 T9205 insert by Tungaloy is optimised for turning steel and delivers wear resistance and edge strength for productive machining under stable conditions.

How does the T9205 grade affect cutting performance?
The T9205 CVD‑coated carbide provides enhanced wear resistance at higher cutting speeds, improving tool life and process stability for repetitive turning operations.

What does the 0.8 mm corner radius mean in practice?
A 0.8 mm corner radius gives the cutting edge added toughness for interrupted cuts and helps produce a consistent surface finish while reducing the risk of chipping.

Is the insert indexable and reversible?
Yes, the insert is double‑sided with a chipbreaker on both cutting edges, allowing rotation and indexing to use the secondary edge and extend service life.

What holders are compatible with this insert?
Compatibility requires a matching ISO toolholder shaped for CNMG geometry; fit depends on form, relief angle, tolerance class, fixing method, size and thickness.

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.