CNMG 120408 T9205 Wendeplatten - Tungaloy

Take advantage of the CVD‑coated carbide T9205 for high‑speed, productive turning and the ISO‑standard CNMG geometry for wide holder compatibility; the combination ensures reliable wear resistance and consistent chip control in stable setups. Order the CNMG 120408 T9205 Tungaloy turning insert directly via Metav Werkzeuge or contact our consultants for tailored advice.

CNMG 120408 T9205 turning insert for turning — Tungaloy

CNMG 120408 T9205 is an ISO‑format turning insert designed for productive external and internal turning of steel under stable conditions

• CVD‑coated carbide grade T9205
• Productive for steel at higher cutting speeds
• ISO CNMG 120408, rhombic 80° geometry
• Cylindrical hole; 0° rake; double‑sided chipbreaker

High productivity through wear‑resistant grade and coating

The insert is manufactured from carbide with a CVD coating and the T9205 grade, delivering pronounced wear resistance and a long tool life in continuous turning operations. This combination is optimised for steel machining at elevated cutting speeds, so material removal rates can be increased without sacrificing edge stability. The result is a tangible improvement in process efficiency and lower tool consumption per component, which benefits batch production and serial machining where consistent performance matters.

ISO compatibility and secure clamping for predictable results

Built to the ISO CNMG 120408 form, the insert matches a broad range of standard external holders and boring bars; compatibility depends on insert form, relief angle (0°), tolerance class, clamping method, size and thickness. The rhombic geometry and the cylindrical hole ensure reliable locating and clamping, while the standard dimensions (12 mm inscribed circle, 4.76 mm thickness) make it straightforward to select a suitable holder, shim and screw set. Proper system selection prevents chatter and improves repeatability across batches.

Geometry and chip control for consistent surface quality

The rhombic 80° included angle combined with a 0.8 mm corner radius provides a balance between robustness and surface finish, enabling stable cuts with low vibration when the setup is rigid. The double‑sided chipbreaker is engineered for controlled chip formation in steels under stable cutting conditions, reducing rework and tool downtime. Thanks to the two usable cutting edges per indexable side, the insert supports economical indexing and predictable edge changes, keeping spindle time productive.

Intended applications and practical selection advice

Designed primarily for turning operations, this ISO insert is suited to external and internal turning of steels where a wear‑resistant grade and controlled chip formation are required. The insert performs best in stable setups at higher cutting speeds; for interrupted cuts or less rigid arrangements, choose a geometry and chipbreaker matched to the specific condition. Select the matching holder, clamping set and replacement screws from the same ISO system to guarantee proper seating and torque transmission.

For high‑speed steel turning with the Tungaloy T9205 grade and ISO CNMG 120408 form, contact Metav Werkzeuge for immediate supply and application guidance at info@metav-werkzeuge.com or +49 2822 7131930.

Technical data

• Article number: 6785664
• SKU manufacturer: TUN6785664
• SKU: 6785664‑Tungaloy
• Manufacturer article number: 6785664
• Manufacturer: Tungaloy

Dimensions & measurable data

• Inscribed circle: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Included angle: 80°
• Relief (rake) angle: 0°

Design & special features

• ISO turning insert CNMG 120408
• Grade T9205, CVD‑coated carbide
• Rhombic plate form
• Cylindrical hole for secure clamping
• Double‑sided chipbreaker, indexable both sides
• Intended application: turning (external and internal)
• System build: insert, matching external holder or boring bar, shim/clamping kit and replacement screws

FAQ

What materials is this insert primarily intended for?
The CNMG 120408 T9205 insert is optimised for machining steel; the CVD‑coated T9205 grade offers high wear resistance for productive turning at elevated cutting speeds.

Which holders are compatible with this ISO insert?
Compatibility depends on holder geometry and clamping method; the insert follows the ISO CNMG form and fits standard holders sized for a 12 mm inscribed circle and 4.76 mm thickness.

Can the insert be indexed and reused?
Yes, the rhombic CNMG format with a double‑sided chipbreaker provides multiple usable cutting edges; indexing restores a fresh edge and extends the effective tool life.

How does the 0° relief angle affect machining?
The 0° relief angle contributes to a stronger cutting edge suited to stable turning conditions and increased cutting speeds, providing good edge stability when combined with the carbide grade.

Is this insert suitable for internal turning operations?
The CNMG geometry and cylindrical hole allow use in appropriate boring bars for internal turning; ensure the bar offers sufficient rigidity and correct seating for 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.