DCMT 11T308 T9225 Wendeplatten - Tungaloy

Benefit from the CVD-coated carbide T9225 and robust rhombic 55° geometry for stable chip formation and extended tool life; the 0.8 mm corner radius offers versatility across medium to heavy steel turning. Order the DCMT11T308 T9225 insert directly via Metav Werkzeuge or ask our consultants if needed.

DCMT11T308 T9225 ISO turning insert — indexable insert for medium to heavy steel by Tungaloy

A DCMT11T308 T9225 indexable insert designed for ISO-standard external and internal turning, offering a CVD-coated carbide grade optimised for interrupted cuts and variable engagement conditions

• CVD-coated carbide grade T9225
• Rhombic 55° geometry
• 0.8 mm corner radius for versatility
• Cylindrical hole with 40°–60° countersink
• ISO-compatible for standard toolholders

Reliable cutting performance when machining medium to heavy steel

The combination of CVD-coated carbide and the T9225 grade delivers consistent cutting performance under demanding conditions. The coating improves surface hardness and thermal resistance, which translates into longer tool life and fewer index changes. The grade is formulated for the mid-to-heavy range of steel turning where variable cutting conditions and light interruptions occur; this ensures stable chip formation and reduced risk of unexpected wear. For production environments seeking predictable tool behaviour, the coated substrate provides measurable gains in uptime and process stability.

Geometry that balances precision, strength and surface finish

The rhombic shape with a 55° lead angle and a 0.8 mm corner radius offers a practical balance between cutting-edge strength and surface quality. A small radius like 0.8 mm increases edge robustness for shoulders and roughing while still enabling acceptable surface finish for semi-finish passes. The 7° relief reduces rubbing and heat buildup behind the cutting edge, supporting efficient evacuation of chips. These geometry choices mean fewer tool changes and more consistent part tolerances in both external and internal turning operations.

Practical compatibility and integration into ISO tool systems

As an ISO-standard indexable insert, compatibility with holders is determined by form, relief angle, tolerance class, fixing method, size and thickness. The insert features a cylindrical hole with a one-sided countersink (40°–60°) for secure clamping, and a thickness of 3.97 mm that fits common toolholders. The single-sided chipbreaker is matched to the T9225 grade for effective chip control in typical steel applications. For workshops standardising on ISO inserts, this component integrates without complex adaptation, supporting lean tooling logistics and easier stock management.

Productivity and selection advice for process reliability

Choosing the right chipbreaker and grade for the workpiece and machining conditions is decisive: the T9225 sort is a robust universal grade suited to changing engagement and slightly interrupted cuts. Its attributes support higher material removal rates while maintaining a stable cutting edge, which contributes to improved overall process economy. When planning operations, pair the insert with a compatible external holder or boring bar plus the specified shim/clamp set and replacement screws to ensure repeatable clamping and minimal vibration. For uncertain cases, consult technical data sheets to match insert geometry, grade and chipbreaker to the intended cycle.

Contact Metav Werkzeuge for tailored application advice on the DCMT11T308 T9225 indexable insert and delivery options — eMail: info@metav-werkzeuge.com · Tel: +49 2822 7131930

Technical data

• Article number: 6781487

• SKU: 6781487-Tungaloy

• Manufacturer SKU: TUN6781487

• Designation: DCMT11T308 T9225 Tungaloy indexable insert

• Model series: ISO-Drehwendeschneidplatten

Core data

• Corner radius: 0.8 mm

• Thickness: 3.97 mm

• Size: 11 mm

• Relief angle: 7°

• Lead angle: 55°

• Hole: with hole

• Countersink angle: 40°–60°

Special features

• CVD-coated carbide grade T9225

• Rhombic insert shape

• Single-sided chipbreaker

• ISO-compatible for standard holders

• Intended for external and internal turning

FAQ

What workpieces is this insert best suited for? The DCMT11T308 T9225 indexable insert is optimised for medium to heavy steel turning, especially where variable engagement or light interruptions occur.

Can the insert be used for internal turning and boring bars? Yes, the ISO-standard form and the 55° geometry allow use in both external holders and suitable boring bars for internal turning.

How does the 0.8 mm corner radius affect performance? A 0.8 mm corner radius increases edge strength for roughing and shoulder cuts while still supporting an acceptable surface finish during semi-finishing passes.

What does the CVD coating provide in practice? The CVD-coated surface on the T9225 grade enhances thermal resistance and wear behaviour, resulting in extended tool life and more consistent cutting under varying conditions.

Is the insert compatible with standard clamping systems? Yes, the DCMT11T308 has a cylindrical hole with a one-sided countersink (40°–60°) for secure clamping in ISO-compatible toolholders.

Does this insert include a chipbreaker, and why does it matter? The insert features a single-sided chipbreaker matched to the T9225 sort; this supports controlled chip formation, improving safety and surface quality.

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.