CNMG 120408 T9225 Wendeplatten - Tungaloy

Take advantage of a robust, CVD-coated carbide grade that combines toughness and wear resistance for demanding turning operations; the insert’s rhombic geometry and 80° included angle ensure stability and versatile mounting in standard ISO holders. Order directly via Metav Werkzeuge or request specialist advice from our consultants for application-specific recommendations.

CNMG 120408 T9225 Turning Insert by Tungaloy — CVD-coated carbide, rhombic 80° geometry

The CNMG 120408 T9225 is an ISO rhombic turning insert designed for external and internal turning in medium to heavy steel machining; compatibility with a holder is determined by form, clearance angle, tolerance class, fixing, size and thickness

• CNMG 120408 geometry, 80° rhombic
• CVD-coated carbide grade T9225
• Double-sided chipbreaker, with cylindrical hole
• 0.8 mm corner radius, 4.76 mm thickness

Reliable performance for medium to heavy steel turning

The rhombic insert in ISO CNMG geometry offers a balance of rigidity and accessibility to cutting edges: the 80° included angle delivers axial strength while permitting deep cuts when required. Manufactured from carbide and finished with a CVD coating, the grade T9225 is engineered as a robust universal grade for medium to heavy steel machining where variable engagement and light interruptions demand increased toughness. This combination reduces flank wear and extends effective tool life, translating into fewer index changes and lower tooling costs per component.

Designed for secure clamping and consistent chip control

Compatibility with a toolholder depends on precise parameters such as form, clearance angle (0°), tolerance class, fixing method, insert size and thickness; the CNMG geometry and double-sided chipbreaker support consistent chip formation across a range of feeds and depths. The insert’s cylindrical hole and standard thickness of 4.76 mm ensure reliable seating and repeatable clamping forces, while the 0.8 mm corner radius improves edge strength and surface finish on transitional passes. These design choices promote process stability, minimise vibration and help maintain dimensional consistency on serial production runs.

Productivity advantages and selection guidance for practical use

Using a universal grade such as T9225 means fewer tool variants in the tool crib and faster setup changes, improving uptime and throughput. The CVD coating contributes to thermal stability at elevated cutting speeds, making the insert suitable for applications where a balance of wear resistance and edge toughness is required. For best results, match the chipbreaker style and grade to the specific steel alloy and machining strategy: a more positive geometry and smaller radius for fine finishing, or the standard configuration for heavy roughing. The rhombic form also allows access to tighter profiles and internal bores when combined with appropriate holder geometries, yielding a flexible solution across multiple turning tasks.

Contact Metav Werkzeuge for tailored advice on applying the Tungaloy CNMG 120408 T9225 insert and to confirm holder compatibility; email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6780903
• Manufacturer SKU: TUN6780903
• SKU: 6780903-Tungaloy

Specifications

• Insert size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Included angle: 80°
• Clearance angle: 0°

Features

• Carbide, CVD-coated (grade T9225)
• ISO turning insert, CNMG geometry
• Rhombic plate, double-sided chipbreaker
• With cylindrical hole for secure clamping
• Compatibility dependent on holder form, clearance, tolerance, fixing, size and thickness

FAQ

What materials is this insert intended for? The CNMG 120408 T9225 insert is intended primarily for medium to heavy steel machining; the T9225 grade provides toughness and wear resistance suited to variable engagement conditions.

How does the CVD coating affect performance? A CVD-coated carbide insert like this improves thermal resistance and wear behaviour at elevated speeds, extending tool life and maintaining cutting-edge integrity during prolonged runs.

Is the geometry suitable for internal turning? Yes, the rhombic CNMG geometry and single-hole fixation allow use in appropriate internal holders; ensure holder clearance and form match the insert dimensions and 0° clearance angle.

How many cutting edges are available per insert? The rhombic, double-sided design provides multiple usable edges per insert, enabling cost-effective indexing and longer service life before replacement is required for the Tungaloy insert.

What should be checked before mounting the insert? Verify holder compatibility by checking form, clearance angle, tolerance class, fixing method, insert size and thickness to ensure correct seating and secure clamping of the insert.

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.