DCGT 11T301 J740 Wendeplatten - Tungaloy

Take advantage of the combination of ISO compatibility, the J740 wear-resistant grade and a precise 0.1 mm corner radius for stable turning and predictable tool life. Order the original insert directly via Metav Werkzeuge or consult the technical team for holder compatibility and process optimisation.

DCGT11T301 J740 indexable turning insert — Tungaloy, rhombic 11 mm, 7° clearance

DCGT11T301 J740 is an ISO‑standard indexable insert designed for general turning applications, offering a balance of wear resistance and edge stability for production and workshop turning.

• ISO-standard rhombic insert 11 mm
• Tungaloy grade J740 for robust wear resistance
• One-sided chipbreaker for stable chip control
• Cylindrical hole with 40°–60° countersink

Reliable chip control and longer cutting edge life

The rhombic indexable insert combines the J740 carbide grade with a one-sided chipbreaker to provide controlled chip formation under a range of conditions. The chosen grade balances wear resistance and toughness, helping to maintain a stable cutting edge during short runs and repetitive operations. As the insert features a small 0.1 mm corner radius, it supports fine finishing passes while reducing the risk of corner chipping; this radius is suitable for parts requiring tighter edge definition without sacrificing tool life.

Predictable mounting and dimensional compatibility for process stability

Compatibility with the toolholder is determined by form, clearance angle, tolerance class, fixing method, size and thickness. The insert's 7° clearance angle and ISO designation ensure interchangeability with standard ISO turning holders when the correct seat and clamp are used. Selecting the appropriate holder and shim arrangement improves repeatability and reduces set‑up time on multi‑tool turrets. The insert is an element in a broader system of ISO inserts, matching holders, shims/clamp sets and replacement screws to maintain secure seating under cutting loads.

Practical benefits for production turning and flexibility in operation

With its 11 mm inscribed size and 3.97 mm thickness, the plate suits a wide range of external and internal turning tasks where a compact rhombic geometry is required. The cylindrical hole with a single‑side countersink (40°–60°) supports reliable clamping and helps to centre the insert accurately in the pocket. Because the grade is formulated for turning, the insert is appropriate for typical production conditions when the chipbreaker and grade are matched to the workpiece material and machining stability, giving consistent surface finish and predictable tool change intervals.

Choose the right combination for the job

The DCGT11T301 designation indicates the plate geometry and size; matching the chipbreaker style and J740 grade to the workpiece and process is essential for optimised results. For finish passes the small corner radius supports better surface integrity; for heavier cuts, opting for the same geometry with a different chipbreaker or a larger radius may be advisable. Technical advisors can explain the trade‑offs between edge stability, surface quality and cutting conditions to select the most economical solution for a given production requirement.

For original Tungaloy inserts and application advice, contact Metav Werkzeuge — we can advise on holder compatibility, recommend the correct chipbreaker and supply genuine parts for reliable production results (eMail: info@metav-werkzeuge.com • Tel: +49 2822 7131930)

Technical data

• Article number: 6802820-Tungaloy
• Manufacturer article number: 6802820
• Manufacturer SKU: TUN6802820
• Model series: ISO‑turning indexable inserts

Numbers / Core technical data

• Inscribed size: 11 mm
• Thickness: 3.97 mm
• Corner radius: 0.1 mm
• Clearance angle: 7°
• Cutting angle: 55°

Special features / Versions

• ISO designation: DCGT11T301
• Grade: J740 (Tungaloy)
• Material: carbide
• Plate form: rhombic
• Chipbreaker: one‑sided
• Hole: cylindrical hole with single‑side countersink (40°–60°)
• Intended application: turning (external and internal)
• System notes: ISO insert with matching holder or boring bar, shim/clamp set and replacement screws
• Compatibility criteria: form, clearance angle, tolerance class, fixing, size and thickness

FAQ

What is the recommended application for this insert?
The DCGT11T301 J740 insert is intended for turning operations, suitable for both external and internal turning when the chipbreaker and grade are matched to the workpiece and cutting conditions.

What corner radius and thickness does the insert have?
The insert has a corner radius of 0.1 mm and a thickness of 3.97 mm as specified for the DCGT11T301 geometry.

How does the J740 grade affect performance?
The J740 grade provides a balance of wear resistance and toughness, improving edge stability and helping to achieve consistent tool life under typical turning conditions.

Which holders are compatible with this ISO plate?
Compatibility is determined by holder form, clearance angle, tolerance class, fixing method, size and thickness; ensure the holder accepts DCGT‑style rhombic inserts and the seating matches the insert geometry.

What is the purpose of the countersunk hole design?
The cylindrical hole with a single‑side countersink (40°–60°) supports secure clamping and accurate centring in the pocket, enhancing repeatability during tool indexation and tool changes.

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.