DCGT 11T300 J740 Wendeplatten - Tungaloy

Combining the J740 wear resistance with a rhombic DCGT form and 7° relief, this insert provides stable cutting for external and internal turning and reduces rework. Order the DCGT11T300 directly via Metav Werkzeuge or consult our specialists for optimisation of cutting data and tool selection.

DCGT 11T300 J740 – DCGT turning insert by Tungaloy

The DCGT11T300 J740 is an ISO rhombic turning insert designed for external and internal turning applications, offering a balanced combination of wear resistance and edge stability.

• ISO rhombic insert with 55° included angle
• J740 Tungaloy grade for wear resistance
• Cylindrical hole with single-side countersink
• 7° relief for reliable chip control

Optimised cutting performance for stable production

The combination of the ISO geometry and the J740 grade ensures predictable performance during turning operations. The cemented carbide substrate contributes to consistent edge life, while the grade’s balance of wear resistance and toughness reduces the frequency of insert changes. For operations that require steady productivity, this indexable insert supports lower downtime and more predictable tool-change intervals, which contributes directly to process efficiency and a reduced total cost of machining.

Secure clamping and straightforward compatibility

Compatibility with toolholders is determined by form, relief angle, tolerance class, fastening method, size and thickness; the ISO designation eliminates guesswork in selection. The rhombic 55° geometry and the cylindrical hole with single-side countersink (40°–60°) ensure a precise seat and secure clamping in matched holders, improving repeatability and reducing chatter. Clear ISO conformity simplifies tool management across machines and operators, enabling quicker set-ups and consistent part quality.

Geometry and grade that suit versatile turning tasks

The insert’s 7° relief and 55° included angle make it well-suited to a wide range of external and internal turning operations where a stable cutting edge is required. The one-sided chipbreaker supports controlled chip formation and evacuation under varying cutting conditions; this helps maintain surface finish while protecting the cutting edge. Selecting the correct chipbreaker and grade for the workpiece and machining stability yields measurable gains in surface consistency and tool life.

Practical guidance for process selection and optimisation

Select the chipbreaker and grade in line with the workpiece material, depth of cut and machine rigidity to extract the best performance from this indexable insert. Regularly monitoring cutting conditions and adjusting speeds and feeds in small increments will exploit the J740 grade’s balance between toughness and wear resistance, delivering conservative but reliable machining outcomes. For complex or high-volume production, integrating this insert into a tool system with matched holders and clamping components provides a predictable, repeatable solution.

Contact Metav Werkzeuge for tailored advice on integrating the Tungaloy DCGT11T300 J740 insert into production; email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6802811
• Manufacturer SKU: TUN6802811
• Marketplace SKU: 6802811-Tungaloy
• Model series: ISO turning indexable inserts
• Designation: DCGT11T300 J740
• Application: Turning

Data

• Insert size: 11 mm
• Plate thickness: 3.97 mm
• Included angle: 55°
• Relief angle: 7°
• Countersink range: 40°–60°

Special features

• Shape: rhombic
• Hole style: cylindrical hole + single-side countersink (40°–60°)
• Chipbreaker: one-sided
• Grade: J740 (Tungaloy)
• Material: cemented carbide
• ISO designation: 11T300

FAQ

What cutting tasks is this insert intended for?
The DCGT11T300 J740 insert by Tungaloy is intended for external and internal turning, offering a balance of wear resistance and edge stability for general turning operations.

How does the J740 grade influence tool life?
The J740 grade used in the DCGT11T300 combines wear resistance with toughness to provide consistent edge life under varied cutting conditions, reducing unplanned tool changes.

Is the insert compatible with standard ISO holders?
Yes; the insert follows ISO dimensions and fits holders that match its form, relief angle, tolerance, fastening method, size and thickness.

Which chipbreaker should be used for heavy cuts?
For heavier depths of cut, choose a chipbreaker and a machining strategy that prioritises edge stability and rigidity; the DCGT11T300’s one-sided chipbreaker is designed to support controlled chip formation in demanding operations.

Can this insert be re-sharpened or reconditioned?
Indexable inserts such as the DCGT11T300 are typically replaced rather than re-sharpened; the cemented carbide substrate and grade are designed for reliable single-use performance until wear criteria are reached.

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.