CNMG 120412 T9205 Wendeplatten - Tungaloy

Take advantage of the combination of CVD-coated carbide wear resistance and the ISO CNMG120412 format for a predictable production rhythm; the double-sided chipbreaker reduces tool changes and keeps cycle times low. Order directly via Metav Werkzeuge or consult our specialists for application-specific advice.

CNMG 120412 T9205 CNMG — ISO turning indexable insert by Tungaloy for productive steel turning

CNMG120412 T9205 Tungaloy indexable insert optimised for stable, high-speed turning applications in steel; compatible with ISO holders that match form, relief angle and tolerance class

• CVD-coated carbide for high wear resistance
• ISO CNMG120412 format for universal holders
• Double-sided chipbreaker for stable cutting
• 4.76 mm thickness, 12 mm size for robust clamping

Consistent wear resistance for longer productive runs

The CVD-coated carbide grade T9205 delivers high wear resistance under stable cutting conditions, making it a sound choice for productive turning of steel. As an ISO-formatted turning insert, the geometry and coating are designed to tolerate elevated cutting speeds while maintaining a predictable flank wear progression. This results in fewer tool changes and reduced machine downtime, which directly benefits cycle time and throughput without sacrificing surface quality.

Secure seating and predictable tool behaviour

The rhomboid CNMG120412 format with a 1.2 mm corner radius and 4.76 mm plate thickness provides reliable clamping in standard ISO external holders. The insert's cylindrical hole and precise tolerance fit ensure stable contact between insert and holder, which reduces vibration and improves repeatability. Controlled tool engagement and the double-sided chipbreaker support consistent chip formation, simplifying process parameter setting and offering a clear path to reproducible component quality.

Optimised for steel: choose the right parameters

Designed primarily for the productive turning of steel, this insert benefits from moderately aggressive feeds and elevated cutting speeds when workholding and stiffness are adequate. The T9205 grade combines a wear-resistant substrate with its CVD finish to improve edge life; under stable conditions, this brings measurable economy through fewer interruptions for indexing. For best results, match the chipbreaker and grade to the specific steel grade and machining stability to balance tool life and component finish.

Easy integration into existing tool systems

As an ISO standard insert, compatibility with existing toolholders is straightforward: match form, relief angle, tolerance class, fastening and thickness. The geometry and 0° clearance specification are common in many external holders, so retrofitting is uncomplicated. The rhomboid shape permits both external and internal turning operations when the holder and set-up permit, offering flexibility and reducing the number of distinct items needed in the tool crib.

For application support or to secure a supply of Tungaloy inserts, contact Metav Werkzeuge — our team can advise on grade selection, holder compatibility and recommended cutting data tailored to specific steel types.

Technical Data

• Article number: 6785696
• Manufacturer SKU: TUN6785696
• SKU: 6785696-Tungaloy
• Manufacturer: Tungaloy
• Model series: ISO turning indexable inserts

Core technical data

• Insert designation: CNMG120412
• Grade/coating: T9205 (CVD-coated)
• Material: carbide
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Corner radius: 1.2 mm
• Included angle: 80°
• Clearance angle: 0°
• Hole: with cylindrical hole

Special features

• Rhomboid plate form
• Double-sided chipbreaker
• ISO-standard turning insert
• Suitable for external and internal turning
• Optimised for productive steel machining

FAQ

What machining tasks is this insert best suited for?
The CNMG120412 T9205 Tungaloy indexable insert (SKU 6785696-Tungaloy) is optimised for productive turning of steel under stable cutting conditions, addressing both external and internal turning where ISO CNMG geometry is accepted.

How does the T9205 grade affect performance?
The T9205 CVD-coated carbide provides enhanced wear resistance for the CNMG120412 insert, extending edge life at higher cutting speeds compared with uncoated grades and offering predictable tool change intervals.

Can this insert be used in my existing holder?
If the holder accepts ISO CNMG120412 geometry and matches form, relief angle and thickness, the Tungaloy CNMG insert will fit; ensure correct clamping torque and seat cleanliness for best repeatability.

What advantages does the double-sided chipbreaker provide?
The double-sided chipbreaker on the CNMG120412 design promotes controlled chip formation and stable cutting, which supports consistent surface finish and reduces the frequency of indexings during production runs.

Is this insert suitable for stainless applications?
This insert is optimised for steel; for stainless or other materials, consult machining data to confirm suitability or consider a grade specifically tuned for those materials. CNMG120412 T9205 Tungaloy inserts perform best in steels under the stated conditions.

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.