DCMT 11T308 GH730 Wendeplatten - Tungaloy

Take advantage of the combination of GH730 wear resistance, ISO compatibility and a precise 0.8 mm corner radius for consistent turning performance; order the insert directly via Metav Werkzeuge or ask our consultants for application support.

DCMT11T308 GH730 DCMT – Tungaloy indexable turning insert with 0.8 mm corner radius

DCMT11T308 GH730 is an ISO‑standard indexable insert designed for general turning applications, providing a balance of wear resistance and edge stability for external and internal turning.

• ISO‑standard rhombic insert 11 mm
• Tungaloy grade GH730 carbide
• 0.8 mm corner radius, 7° relief

Increase throughput with a wear‑resistant turning grade

The GH730 grade combines toughness and wear resistance to extend tool life in diverse turning operations. As an indexable insert made from carbide, it provides a dependable cutting edge that keeps changeovers to a minimum and reduces downtime. The balanced composition of the grade supports stable chip formation and consistent surface finish, which is particularly advantageous in medium‑duty production runs where repeatability and predictable tool life are essential.

Reliable edge stability for improved surface quality

A stable cutting edge translates into fewer rejects and less rework. The GH730 grade is optimised to deliver a compromise between hardness and toughness: sufficient hardness for abrasion resistance and adequate toughness to resist chipping. The result is improved surface integrity on workpieces and longer intervals between indexings. When combined with the 0.8 mm corner radius, the insert offers enhanced edge strength, making it suitable for finishing passes where surface quality matters.

Easy integration with standard holders and secure clamping

The insert follows ISO geometries, so compatibility with a matching external holder or boring bar is determined by form, relief angle, tolerance class, fastening method, size and thickness. The rhombic plate shape and the with hole design — a cylindrical hole with a one‑sided countersink (40°–60°) — ensure reliable seating and repeatable clamping. Accurate specification of the holder and correct torque on the clamping screw deliver process stability and reduce vibration during turning.

Choose the right chipbreaker and grade for the job

This insert features a single‑sided chipbreaker and is intended for turning; selection of chipbreaker geometry and the GH730 grade should be matched to the workpiece material, machining conditions and required stability. For unstable setups or heavy interrupted cuts, opting for a smaller corner radius or a different chip control geometry can improve tool life. For standard external and internal turning of steels and similar materials, the combination of the GH730 grade and the rhombic ISO geometry offers a productive, economical solution.

Contact Metav Werkzeuge for tailored advice on Tungaloy inserts, application recommendations and to request the item TUN6820991; eMail: info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6820991
• Manufacturer SKU: TUN6820991
• SKU: 6820991-Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Designation: DCMT11T308 GH730 Tungaloy-Wendeplatte

Core measurements

• Corner radius: 0.8 mm
• Relief angle: 7°
• Included angle: 55°
• Plate thickness: 3.97 mm
• Plate size: 11 mm

Design & special features

• Rhombic plate form
• With hole: cylindrical hole + one‑sided countersink (40°–60°)
• Single‑sided chipbreaker
• Grade: GH730 (Tungaloy)
• Material: carbide
• Intended use: turning (external and internal)
• ISO‑standard geometry for holder compatibility

FAQ

What materials is this insert suitable for?
The DCMT11T308 GH730 insert is a carbide grade optimised for general turning and is suitable for machining a wide range of steels and similar materials when paired with the appropriate chipbreaker and cutting conditions.

How does the 0.8 mm corner radius affect performance?
A 0.8 mm corner radius improves edge strength and reduces the risk of chipping during finishing operations, offering a balance between rigidity and surface finish when using the DCMT11T308 GH730 insert.

Is this insert compatible with standard ISO holders?
Yes, the insert follows ISO dimensions; compatibility is determined by form, relief angle, tolerance class, fastening, size and thickness and requires a matching ISO‑compliant holder or boring bar.

What is the function of the hole and countersink?
The cylindrical hole with a one‑sided countersink (40°–60°) ensures secure seating and repeatable clamping in compatible holders, contributing to process stability when using the DCMT11T308 GH730 insert.

How should the chipbreaker be selected?
Select the chipbreaker based on workpiece material, machining operation and stability. The single‑sided chipbreaker on this insert is suitable for controlled chip flow in many turning tasks, but alternative geometries may be preferred for interrupted or heavy cuts.

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.