TCMT 16T312 T9225 Wendeplatten - Tungaloy

Reliable machining of medium-to-heavy steel is achieved by combining the CVD-coated T9225 grade with a 1.2 mm corner radius for improved cutting-edge strength and consistent chip control; pair with a correctly specified ISO holder and clamping to maintain process stability. Order the TCMT16T312 T9225 Tungaloy turning insert directly via Metav Werkzeuge or ask our consultants if needed.

TCMT16T312 T9225 ISO indexable turning insert for turning, Tungaloy

TCMT16T312 T9225 is an ISO-format, triangular indexable insert designed for robust external and internal turning in steel, featuring a single-sided chipbreaker and a CVD-coated carbide substrate.

• CVD-coated carbide grade T9225
• 1.2 mm corner radius for durability
• Single-sided chipbreaker for consistent chips
• ISO triangular insert with 7° clearance

Engineered for dependable steel turning with stable chip control

The triangular indexable insert offers a balance of toughness and wear resistance thanks to its CVD-coated carbide construction and T9225 grade chemistry. With a 1.2 mm corner radius, the cutting edge tolerates heavier depths of cut and intermittent engagement without premature chipping, which supports longer tool life and fewer insert changes. The built-in single-sided chipbreaker helps to form predictable chips, reducing interruptions at the machine and improving cycle efficiency—advantages that directly support higher throughput in production turning.

Clear guidance on compatibility and mounting to avoid fitting errors

Compatibility with turning holders is determined by the insert’s form, clearance angle (7°), tolerance class, clamping style, size and thickness. The triangular ISO geometry and the with-hole mounting (cylindrical hole plus one-sided countersink) require a matching pad, clamping set and fastening screw; correct matching avoids misalignment and ensures repeatable seating. Specifying holders to the same ISO standard preserves concentricity and repeatability, benefitting part accuracy and reducing set-up times.

The T9225 grade explained — why it suits mixed and interrupted cuts

The T9225 designation denotes a robust universal CVD-coated carbide grade developed for medium-to-heavy steel machining and applications where variable engagement or light interruptions occur. The coating promotes wear resistance, while the substrate retains the toughness needed under fluctuating loads. In practice, this means stable tool life across changing conditions and reliable surface finish in serial production, making it a pragmatic choice where flexibility and process security are priorities.

Practical selection tips to increase productivity and reduce costs

Choose the chipbreaker and grade based on workpiece material, machining stability and feed strategy: for heavier, intermittent cuts the robust universal grade is preferable; for continuous, light-finishing passes a finer edge might be chosen. The triangular format allows three indexed cutting edges per insert, lowering tooling costs per edge and simplifying inventory. If there is any uncertainty about holder compatibility or optimal cutting data, the Metav Werkzeuge technical team can assist with selection and clamping advice to maximise tool life and minimise downtime.

Contact Metav Werkzeuge for application advice on the Tungaloy TCMT16T312 T9225 insert and for fast availability via info@metav-werkzeuge.com or phone +49 2822 7131930

Technical data

• Article number: 6781133
• Manufacturer SKU: TUN6781133
• SKU (seller): 6781133-Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Material: Carbide
• Grade: T9225

Facts

• Size: 16
• Thickness: 3.97 mm
• Corner radius: 1.2 mm
• Clearance angle: 7°
• Cutting-edge angle: 60°
• Hole: with hole (cylindrical hole + one-sided countersink 40°–60°)
• Shape: triangular

Special features

• CVD-coated carbide
• Single-sided chipbreaker
• Robust universal grade for medium-to-heavy steel machining
• ISO compatibility via form, clearance and tolerance
• Suitable for external and internal turning

FAQ

What materials is this insert best suited for? The TCMT16T312 T9225 insert is optimised for medium-to-heavy steel machining; the T9225 CVD-coated carbide grade provides a balance of wear resistance and toughness for varying engagement conditions.

How is compatibility with toolholders determined? Compatibility depends on the insert’s form, clearance angle, tolerance class, fastening method, size and thickness; ensure the holder matches the ISO format and the insert’s hole and countersink arrangement.

What does the T9225 designation indicate? T9225 denotes a robust, CVD-coated carbide grade intended for universal steel applications where intermittent cuts or varying loads demand higher toughness and consistent wear performance.

Why choose a 1.2 mm corner radius? A 1.2 mm radius increases edge strength and helps withstand heavier depths of cut and interrupted cuts, improving life expectancy of the cutting edge without compromising process stability.

Can this insert be used for both external and internal turning? Yes. The ISO triangular format and the insert’s geometry make it suitable for both external and internal turning when combined with the appropriate holder and clamping system.

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.