CNMG 120412 T9205 Wendeplatten - Tungaloy

Take advantage of the combination of a CVD‑coated carbide grade for extended wear resistance, ISO compatibility for straightforward toolholder matching and a 1.2 mm corner radius for robust edge life to maintain productive turning cycles; order the CNMG120412 T9205 insert directly via Metav Werkzeuge or ask our consultants if needed.

CNMG 120412 T9205 – ISO turning insert for steel, Tungaloy

The CNMG120412 T9205 Tungaloy insert is an ISO‑standard, rhombic turning insert designed for productive external and internal turning of steel under stable machining conditions.

• CVD-coated carbide for wear resistance
• ISO CNMG120412 form, 80° approach angle
• 1.2 mm corner radius for robust edge life
• Double-sided chipbreaker with cylindrical hole

Increased tool life through a wear‑resistant coating

The CVD‑coating on this carbide grade delivers predictable abrasion resistance under elevated cutting speeds, which translates into longer tool life and fewer indexings per batch. When referring to CVD coatings, the principle is a thin, hard layer applied by chemical vapour deposition that slows substrate wear and supports consistent flank and crater behaviour. This performance makes the insert particularly suitable for steady, repeatable operations where reduced tool-change frequency improves throughput. The outcome is a measurable improvement in process reliability and lower tooling cost per component.

Secure clamping and geometry for stable cutting

The rhombic plate with an 80° approach angle and a cylindrical locating hole ensures reliable positioning in standard ISO holders and compatible boring bars. The plate’s 4.76 mm thickness and 1.2 mm corner radius provide a stable cutting edge that resists chipping during interrupted cuts and heavy cross‑sections. Because compatibility depends on form, relief angle, tolerance class, fixation and thickness, the ISO designation simplifies selecting the correct toolholder and retaining clamp for the machining centre. The result is less setup time and more repeatable part quality.

Optimised for productive steel turning

Selected as a productive solution for steel, the T9205 grade is engineered for stable turning applications at higher cutting speeds. The double‑sided chipbreaker geometry supports consistent chip formation and evacuation, lowering the risk of built‑up edge and improving surface finish. In practice, this means shorter cycle times and a lower scrap rate when process parameters and machine stability are aligned. The combination of grade, geometry and chip control contributes directly to better process economy on medium‑ to high‑volume turning tasks.

System compatibility and workshop integration

The insert forms part of a complete ISO system: insert, matching external holder or boring bar, shim/clamping set and spare screws. This modular approach facilitates stock management and efficient changeovers on the shop floor. The CNMG form and ISO code enable straightforward cross‑referencing with existing toolholders, while the standardised hole style supports secure fastening. For workshops seeking predictable performance and easy replenishment, the standard geometry and familiar mounting reduce training overhead and ease procurement planning.

Contact Metav Werkzeuge to discuss availability of the Tungaloy T9205 CNMG120412 inserts and confirm holder compatibility; email info@metav-werkzeuge.com or call +49 2822 7131930 to arrange supply or technical advice

Technical data

• Article number: 6785688
• SKU: 6785688-Tungaloy
• Manufacturer SKU: TUN6785688
• Model series: ISO-Drehwendeschneidplatten
• Material: Carbide
• Grade: T9205
• ISO designation: CNMG120412
• Description: CNMG120412 T9205 Tungaloy insert

Facts

• Corner radius: 1.2 mm
• Thickness: 4.76 mm
• Size: 12 mm
• Approach/included angle: 80°
• Relief/free angle: 0°
• Hole style: Cylindrical hole

Special features

• CVD-coated carbide grade
• Double-sided chipbreaker
• Rhombic plate form
• With locating hole for secure clamping
• Suited for steel turning under stable conditions
• Part of ISO insert system (holder, shim, screw)

FAQ

What materials is this insert designed for?
The Tungaloy CNMG120412 T9205 insert is optimised for turning steel under stable machining conditions and higher cutting speeds.

Is the CNMG120412 compatible with standard ISO holders?
Yes, the ISO designation and rhombic form mean the insert fits standard CNMG toolholders when matching form, relief, tolerance and thickness are observed.

How many usable edges does the insert provide?
The insert features a double-sided chipbreaker, offering multiple usable cutting edges before indexing is required.

What does the T9205 grade indicate?
T9205 denotes a CVD‑coated carbide grade tuned for wear resistance and productive performance in steel machining.

Can the insert be used for internal turning?
The geometry and ISO form permit use in both external and internal turning applications when the correct boring bar or holder is selected.

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.