TCMT 16T308 T9225 Wendeplatten - Tungaloy

Take advantage of the combination of a CVD-coated carbide T9225 grade and a 0.8 mm corner radius for reliable performance in medium to heavy steel turning; benefit from ISO compatibility that simplifies tooling selection and reduces changeover time. Order directly via Metav Werkzeuge or consult our specialists for application-specific advice.

TCMT 16T308 T9225 ISO indexable turning insert by Tungaloy — for medium to heavy steel turning

A TCMT16T308 T9225 indexable turning insert designed for robust, versatile performance in external and internal turning operations where interrupted cuts and variable engagement demand increased toughness.

• CVD-coated carbide grade T9225
• Triangular insert with 60° included angle
• 0.8 mm corner radius for robust edge strength
• Cylindrical hole with single-side countersink
• 7° clearance angle for reliable seating

Productive steel turning with longer tool life

The combination of a CVD-coated surface and a wear-resistant carbide substrate in the T9225 grade offers a clear benefit for medium to heavy steel machining: improved resistance to flank and crater wear leads to longer intervals between indexings and regrinds. In practice, this translates into fewer tool changes and higher uptime on batch work and component runs. The 0.8 mm corner radius contributes to edge strength and reduces the risk of chipping under variable cutting conditions, while the single-sided chipbreaker supports predictable chip formation when matched to appropriate cutting parameters.

Secure clamping and compatibility reduce setup risk

Compatibility with toolholders is determined by insert form, clearance angle (7°), tolerance class, fastening method, size and thickness. The triangular profile and cylindrical centre hole with a 40°–60° countersink permit secure clamping in a wide range of external holders and boring bars, ensuring stable seating and repeatable positioning. Using the correct shim or clamp set together with the matching screws minimises the chance of movement during interrupted cuts and helps maintain consistent surface finish and dimensional stability.

Choosing the right grade and chipbreaker for stable machining

The T9225 grade is formulated as a universal, robust option for operations that require extra toughness—particularly where intermittency or variable engagement occurs. Selecting the correct chipbreaker and matching it to the part material and machine rigidity is essential: a more aggressive chipbreaker may be required for heavy interrupted cuts, while a smoother geometry benefits continuous finishing passes. The standardised ISO format facilitates straightforward grade swaps and provides predictable performance across different holders, reducing setup complexity and enabling faster process optimisation.

Contact Metav Werkzeuge today for a tailored recommendation on Tungaloy inserts and to check stock availability — call +49 2822 7131930 or email info@metav-werkzeuge.com

Technical data

• Article number: 6781216

• Manufacturer SKU: TUN6781216

• Metav SKU: 6781216-Tungaloy

• ISO designation: 16T308

• Series: ISO-Drehwendeschneidplatten

• Application: Turning

• Material: Carbide

• Grade/coating: T9225, CVD-coated

• Shape: Triangular

• Size: 16

• Thickness: 3.97 mm

• Corner radius: 0.8 mm

• Clearance angle: 7°

• Included angle: 60°

• Hole: Cylindrical hole with single-side countersink (40°–60°)

• Chipbreaker: Single-sided

Facts

• Corner radius: 0.8 mm

• Thickness: 3.97 mm

• Insert size: 16

• Clearance angle: 7°

• Included angle: 60°

• Countersink angle range: 40°–60°

Special features

• CVD-coated carbide T9225 for medium to heavy steel turning

• ISO indexable insert system

• Robust grade suited to interrupted cuts

• Triangular geometry for multiple indexings

• Centre hole with countersink for secure clamping

FAQ

What materials is this insert best suited for?
The T9225 grade on the TCMT16T308 insert is optimised for medium to heavy steel machining and performs well where varying engagement or light interruptions require added toughness.

How does the 0.8 mm corner radius affect performance?
A 0.8 mm corner radius increases edge strength and reduces chipping risk during interrupted cuts, improving tool life and stability in heavy-duty turning operations.

Is the insert compatible with standard ISO toolholders?
Yes, the TCMT16T308 follows ISO geometry conventions; compatibility depends on matching form, clearance angle, thickness and fastening method to the holder specification.

What benefits does the CVD coating provide?
The CVD-coated surface improves wear resistance under high thermal and abrasive loads, delaying flank and crater wear and helping to maintain cutting performance over longer cycles.

Can this insert be used for internal turning?
The insert is suitable for both external and internal turning when combined with an appropriate boring bar or holder that matches the insert’s 60° geometry and clamping requirements.

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.