CNMG 120408 T9225 Wendeplatten - Tungaloy

Take advantage of the combination of a CVD‑coated cemented carbide grade that balances toughness and wear resistance, the ISO‑standard CNMG geometry for straightforward toolholder compatibility, and the double‑sided chipbreaker for extended edge life — all supporting reliable, uninterrupted turning cycles. Order directly via Metav Werkzeuge or contact the consultants for application guidance.

CNMG 120408 T9225 indexable insert — turning

A CNMG 120408 T9225 indexable turning insert by Tungaloy for general external and internal turning applications, engineered for medium‑to‑heavy steel machining where interrupted cuts or variable engagement demand extra toughness

• CVD‑coated carbide T9225 for robust steel turning
• ISO CNMG 120408 rhombic insert with hole
• 0.8 mm corner radius for stable engagement
• Double-sided chipbreaker for extended life

Consistent performance for medium‑to‑heavy steel turning

The insert is made from cemented carbide with a CVD‑coating in the T9225 grade, a universal specification developed for stable chip formation and good wear resistance under varying cutting conditions. That mix of substrate and coating delivers increased toughness compared with very hard, brittle grades, which makes the insert suitable for applications with slight interruption or changing engagement. The material pairing reduces flank wear and helps maintain consistent dimensional control during extended cycles.

Precision fit and ISO compatibility reduce setup time

The ISO designation CNMG 120408 ensures predictable fitment with matching holders when form, clearance angle, tolerance class, fastening and plate thickness are observed. The rhombic geometry combined with a cylindrical hole and a plate thickness of 4.76 mm means rapid seating and repeatable clamping; the specified 0° clearance angle and the standardised dimensions simplify toolchanger programming and tool library maintenance. Clear compatibility criteria lower setup time and minimise accidental mismatch between insert and holder.

Better chip control and edge stability for reliable production

A double‑sided chipbreaker design improves fragmentation and evacuation when machining a broad range of steels, supporting higher feed rates without compromising surface finish. The 0.8 mm corner radius adds mechanical strength at the cutting edge, reducing chipping under interrupted cuts and enhancing robustness on less stable setups. The combination of an optimised chipbreaker and a modest corner radius extends usable life per edge and contributes to predictable tool change intervals.

Practical benefits for workshop productivity and process security

Using a standardised ISO insert such as the CNMG120408 in T9225 grade supports consistent surface quality and repeatable cycle times across batches. The insert’s balanced wear behaviour reduces scrap risk and aids in meeting delivery schedules; at the same time, the universal character of the grade simplifies tool inventory. Assistance for selection of holder geometry, grade and cutting data is available from Metav Werkzeuge, enabling tailored recommendations that align insert choice with machine rigidity and workpiece characteristics.

Choose the Tungaloy T9225 CNMG 120408 insert for a robust, versatile turning solution and contact Metav Werkzeuge for tailored application advice and rapid supply via info@metav-werkezeuge.com or by phone at +49 2822 7131930

Technical data

• Article number: 6780921
• Manufacturer SKU: TUN6780921
• Brand: Tungaloy
• Model series: ISO‑Drehwendeschneidplatten
• Designation: CNMG120408

Numbers

• Corner radius: 0.8 mm
• Included angle: 80°
• Clearance angle: 0°
• Plate thickness: 4.76 mm
• Plate size: 12

Special features

• Material: cemented carbide
• Coating: CVD
• Grade: T9225
• Geometry: rhombic (CNMG)
• Hole: with hole, cylindrical
• Chipbreaker: double‑sided
• Application: turning (external and internal)

FAQ

What materials is this insert designed to machine?
The CNMG 120408 T9225 insert is designed primarily for steel machining in medium‑to‑heavy applications; the T9225 grade offers enhanced toughness for varying engagement and slight interruptions.

How does the T9225 grade differ from other carbide grades?
T9225 combines a tough substrate with a CVD coating, providing a balance between wear resistance and edge strength, which is beneficial where cutting conditions change or intermittent cuts occur.

Is the CNMG 120408 compatible with standard ISO toolholders?
Yes, the CNMG 120408 designation follows ISO standards; compatibility depends on matching form, clearance angle, tolerance class, fastening method, size and thickness of the holder and insert.

What advantage does the double‑sided chipbreaker offer?
The double‑sided chipbreaker improves chip control and allows both edges of the insert to be used, extending overall tool life and supporting stable machining cycles.

Can this insert be used for internal turning as well as external turning?
The insert geometry and grade are suitable for both external and internal turning operations when the correct holder and cutting parameters are 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.