CNMG 120408 T9205 Wendeplatten - Tungaloy

Combine the wear-resistant CVD-coated grade T9205 with a balanced 0.8 mm nose radius to achieve productive, consistent steel turning under stable conditions; choose a matching chipbreaker and holder for optimal performance. Order the insert directly via Metav Werkzeuge or consult our specialists for holder compatibility and cutting recommendations.

CNMG 120408 T9205 ISO turning insert — rhombic CNMG for Turning, Tungaloy

A CNMG 120408 T9205 rhombic ISO insert engineered for productive steel turning, offering a CVD-coated cemented carbide grade and a double-sided chipbreaker for stable material removal.

• CVD-coated carbide grade T9205 for steel
• Double-sided chipbreaker for chip control
• Rhombic CNMG geometry, 80° included angle
• 0.8 mm nose radius for consistent finishing

High productivity with a wear-resistant CVD coating

The CVD-coated T9205 grade is a cemented carbide designed for productive turning of steel at higher cutting speeds under stable machining conditions. The coating improves abrasion resistance and helps maintain a sharp cutting edge for longer tool life, which reduces changeover frequency and increases effective uptime. By selecting this grade and combining it with an appropriate chipbreaker, machining cycles become more predictable and cost-efficient while preserving surface quality.

Stable cutting and reliable surface finish from CNMG geometry

The rhombic CNMG form with an 80° included angle and a 0.8 mm nose radius provides a compromise between robustness and surface finish. The double-sided chipbreaker aids in controlled chip formation and assists heat dispersion at the cutting edge, which supports repeatable tolerances and consistent part appearance. The specified 0° rake angle contributes to stable cutting forces in heavier cuts; choosing this geometry reduces vibration when matched to a rigid setup, thereby improving dimensional consistency.

ISO standardisation and toolholder compatibility for easy integration

As an ISO CNMG120408 insert, compatibility with holders depends on form, clearance angle, tolerance class, fastening method, size and thickness; this insert is supplied with a cylindrical hole intended for secure clamping systems. The complete system comprises the insert, a suitable external holder or boring bar, a shim/clamping set and replacement screws. For machinists less familiar with terminology: the nose radius affects surface finish and edge strength, the rake angle influences cutting forces, and the chipbreaker shapes chips for safe evacuation. Selecting the correct combination improves process reliability and reduces rework.

For productive steel turning with the Tungaloy CVD-coated grade T9205, contact Metav Werkzeuge for tailored holder compatibility checks and application advice — email info@metav-werkzeuge.com or call +49 2822 7131930 to discuss requirements and place orders

Technical data

• Article number: 6785652
• Manufacturer SKU: TUN6785652
• SKU: 6785652-Tungaloy
• Model series: ISO-Drehwendeschneidplatten

Core specifications

• Insert designation: CNMG120408
• ISO code: 120408
• Size: 12
• Thickness: 4.76 mm
• Nose radius: 0.8 mm
• Included angle: 80°
• Rake angle: 0°

Design & special features

• Shape: rhombic
• Hole: with cylindrical hole
• Chipbreaker: double-sided
• Material: cemented carbide
• Coating/grade: T9205 (CVD-coated)
• Application: Turning

FAQ

What materials is this insert suited for?
The Tungaloy CNMG120408 T9205 insert is formulated primarily for machining steel; the T9205 CVD-coated cemented carbide provides abrasion resistance suited to stable, productive steel turning.

How does the double-sided chipbreaker benefit machining?
A double-sided chipbreaker on this CNMG insert promotes consistent chip formation and evacuation, improving surface finish and extending effective cutting edge life under steady cutting conditions.

Which toolholders are compatible with this ISO insert?
Compatibility is determined by form, clearance angle, tolerance class, fastening method, size and thickness; the CNMG120408 designation ensures fit with holders designed for CNMG inserts meeting ISO 120408 specifications.

What effect does the 0.8 mm nose radius have on the part finish?
A 0.8 mm nose radius balances edge strength and finish quality, offering improved robustness for finishing passes while still producing a fine surface texture when combined with appropriate feeds and speeds.

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.