CNMG 120408 T9205 Wendeplatten - Tungaloy

High productivity and extended tool life result from the combination of a CVD‑coated carbide grade and a robust 0.8 mm corner radius; order the insert directly via Metav Werkzeuge or consult the technical team for application advice.

CNMG120408 T9205 — CNMG 120408 turning insert, CVD‑coated carbide, Tungaloy

A CNMG120408 T9205 indexable insert engineered for productive external and internal turning of steel under stable machining conditions

• CNMG 120408 format, ISO‑standard
• CVD‑coated carbide T9205 for steel machining
• Double‑sided insert with cylindrical hole
• 0.8 mm corner radius for robust cutting

Reliable performance for productive turning operations

The combination of a CVD‑coated surface and a wear‑resistant carbide substrate delivers a stable cutting edge that supports higher cutting speeds during routine turning cycles. This geometry and material mix reduces flank wear and helps maintain dimensional accuracy over longer runs. For production environments seeking consistent cycle times, the grade T9205 offers a balance between resistance to abrasion and cutting‑edge stability, enabling fewer tool changes and improved throughput.

Geometry and clamping that safeguard accuracy

The rhombic insert form with an 80° included angle and a 0° clearance angle provides a predictable engagement with the workpiece and straightforward clamping in compatible holders. The presence of a cylindrical hole and the ISO CNMG format ensure reliable seating and repeatable location when used with the appropriate seat and fastening system. The 4.76 mm thickness and the 0.8 mm corner radius are designed to resist deflection and support steady cuts, translating into consistent surface finish and dimensional control on turned components.

Coating and chip control for tougher steel applications

The CVD layer on this grade enhances thermal and abrasive resistance, which supports longer tool life under the elevated temperatures associated with harder steel grades and higher cutting speeds. The double‑sided chipbreaker geometry splits chips efficiently and helps to avoid built‑up edge in stable setups. These features combine to lower downtime for insert changes and improve process reliability on medium‑ to heavy‑duty turning tasks, while still providing a good surface quality on the finished part.

Practical compatibility and recommended use

This ISO‑standard insert is intended for turning tasks where machine stability and fixture rigidity are adequate to exploit the T9205 grade’s benefits. Compatibility with a specific holder is determined by insert form, clearance angle, tolerance class, fastening method, size and thickness; matching these parameters avoids misfit and potential vibration. For outside and inside turning of steel where repeatable results and predictable tool behaviour are priorities, this insert supports productive machining with straightforward handling and indexing.

Contact Metav Werkzeuge for tailored application advice on Tungaloy turning inserts or to order the CNMG120408 T9205 insert via Metav Werkzeuge; technical questions can be directed to info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6785686
• SKU: 6785686-Tungaloy
• Manufacturer article number: TUN6785686
• Model series: ISO turning indexable inserts
• Material: carbide

Facts

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

Special features

• CVD‑coated grade T9205
• Double‑sided chipbreaker
• Rhombic CNMG insert shape
• Cylindrical hole for positive clamping
• ISO‑standardised turning insert
• Designed for productive turning of steel under stable conditions

FAQ

What materials is this insert best suited for?
This insert is optimised for turning steel, using the T9205 CVD‑coated carbide to provide wear resistance and process stability in steel machining.

Can the insert be indexed to use both sides?
Yes, the insert is double‑sided, allowing indexing to the second cutting edge and extending usable life before replacement.

What clamping features are required for correct fitment?
Correct seating requires a compatible CNMG seat with matching form, tolerance class, fastening and thickness to ensure reliable clamping of the CNMG120408 T9205 indexable insert.

Does the coating support high cutting speeds?
The CVD‑coating on the T9205 grade improves thermal resistance and is intended to support higher cutting speeds compared with uncoated grades in stable machining conditions.

Is this insert suitable for internal and external turning?
Yes; the geometry and hole style make the insert suitable for both external and internal turning applications when used with the appropriate holder.

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.