TNMG 220412 T9235 Wendeplatten - Tungaloy

Benefit from the T9235 CVD-coated cemented carbide grade and the TNMG geometry for robust chip control and reliable performance in interrupted cuts; order the insert via Metav Werkzeuge or consult the technical team for holder compatibility and clamping advice.

TNMG 220412 T9235 ISO turning insert for turning — Tungaloy

The TNMG 220412 T9235 is an ISO-standard triangular indexable insert designed for external and internal turning, offering a tough CVD-coated carbide grade for interrupted cuts and unstable machining conditions.

• CVD-coated carbide grade T9235
• Double-sided chipbreaker geometry
• 60° triangular shape for versatile turning
• Cylindrical hole for secure mounting

Consistent edge life in unstable cutting conditions

The combination of the T9235 grade and a CVD-coated surface produces a wear-resistant cutting edge that favours abrasions and notch resistance during interrupted cuts. As a cemented carbide insert intended for lower cutting speeds in unstable setups, it reduces the frequency of index changes by maintaining a stable cutting edge. This leads to fewer machine stops and a more predictable tool-life cycle, which supports production planning and reduces unplanned downtime. The formulation is optimised for steels and similar alloys where toughness and chipping resistance are priorities.

Stable chip control and secure clamping for repeatable results

A double-sided chipbreaker combined with the triangular 60° geometry delivers controlled chip formation across a range of turning operations. The cylindrical hole and compatible clamping ensure the insert seats securely in the pocket, improving repeatability of the cutting edge position and enabling consistent part tolerances. The moderate corner radius (1.2 mm) balances edge strength and surface finish, making this geometry suitable for both light finishing and moderate roughing tasks when stability is limited.

Clear system integration and economical machining strategy

Delivered as part of the ISO turning insert system, the component requires a matching external holder, a support shim or clamping set and the appropriate fastening screws to complete the assembly. Choosing the correct chipbreaker and grade for the workpiece material simplifies process set-up and reduces trial-and-error. The insert’s specification supports efficient machining by reducing rework and by prolonging cumulative tool life, which translates into lower cost per part in series production. For tailored advice on holder compatibility or application limits, the technical team can provide material-specific recommendations.

For machining tasks that demand reliable edge performance under interrupted cuts, contact Metav Werkzeuge for supply and holder compatibility guidance — info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6785961
• Manufacturer SKU: TUN6785961
• Our SKU: 6785961-Tungaloy
• Designation: TNMG220412 T9235

Core specifications

• Corner radius: 1.2 mm
• Included angle: 60°
• Thickness: 4.76 mm
• Size: 22 mm

Features & compatibility

• Material: cemented carbide
• Coating/grade: T9235 (CVD-coated)
• Chipbreaker: double-sided
• Hole style: cylindrical hole
• Application: external and internal turning
• ISO-standard triangular insert

FAQ

What materials is this insert intended for?
The TNMG 220412 T9235 insert is formulated as a tough CVD-coated cemented carbide grade suitable primarily for steels and similar alloys, especially where interrupted cuts occur.

Can the insert be used for both external and internal turning?
Yes, the ISO triangular geometry supports both external and internal turning operations when used with the correct external holder or boring bar.

How does the double-sided chipbreaker affect machining?
The double-sided chipbreaker promotes predictable chip segmentation and evacuation, improving surface finish and reducing the risk of built-up edge in unstable cutting conditions.

What does the cylindrical hole provide?
A cylindrical hole ensures secure seating and repeatable positioning in compatible ISO clamping systems, contributing to consistent part tolerances.

Is the TNMG 220412 T9235 suitable for high-speed machining?
The grade is designed for lower cutting speeds with a focus on toughness rather than maximum speed; for high-speed applications, a different grade optimised for higher cutting speeds should be considered.

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.