DCMT 11T304 AH725 Wendeplatten - Tungaloy

Take advantage of a robust, PVD-coated carbide grade that combines reliable chip control and wide material coverage for stable, repeatable turning; order directly via Metav Werkzeuge or consult our specialists for tailored toolholder and clamping options.

DCMT 11T304 AH725 indexable turning insert — Tungaloy, PVD-coated carbide, 55° rhombic

A DCMT11T304 AH725 indexable insert for external and internal turning, offering a 7° clearance angle and a one-sided chipbreaker for secure, process-stable machining.

• PVD-coated carbide grade AH725
• Universal performance for Stahl and rostfreier Stahl
• Compatible with ISO holders, cylindrical hole + countersink

Consistent process security for mixed-material turning

The AH725 grade is a PVD-coated carbide designed to deliver consistent performance across a wide range of materials, making it particularly suitable where material mixes occur or where small tools must maintain stability. The coating reduces friction and resists built-up edge formation, which in turn helps to maintain cutting edge geometry under variable feed and speed conditions. For shops requiring predictable tool life and reduced regrinding intervals, this insert supports steady production rhythms and fewer unexpected tool changes.

Geometry that ensures reliable clamping and stable cutting forces

The rhombic geometry with a nominal 55° included angle and a 0.4 mm corner radius provides a balance between edge strength and accessibility for profile work. The 7° clearance angle lowers rubbing and improves surface finish while the specified hole style — cylindrical hole + single-sided countersink (40°–60°) — secures the insert in the seat and reduces micro-movement under heavy cuts. These geometric choices translate into more consistent results, less chatter and predictable cutting forces when the insert is combined with a properly matched holder.

ISO compatibility and system-level efficiency

As an ISO-standard indexable turning plate, compatibility with holders is determined by form, clearance angle, tolerance class, attachment method, size and thickness; this enables straightforward selection of a matching external holder or boring bar, plus backing/clamp sets and replacement screws. The standardised interface supports faster setup, fewer inventory variants and simpler tool management in multi-machine environments. Where quick changeovers and reduced tooling complexity are priorities, system integration of the insert reduces downtime and simplifies process planning.

Why this grade is recommended for demanding turning tasks

The single-sided chipbreaker and the PVD finish make this insert a solid choice for both finishing and light to medium roughing in Stahl and rostfreier Stahl. The composition emphasises fracture resistance and process security, which is beneficial in situations with variable workpiece batches or when operators require a robust, reliable cutting edge rather than constant adjustment. For applications that prioritise repeatability and machining quality, this indexable insert delivers measurable improvements in uptime and surface consistency.

Contact Metav Werkzeuge for precise toolholder matching and fast supply of the Tungaloy DCMT11T304 AH725 insert — email info@metav-werkzeuge.com or call +49 2822 7131930 for expert advice and ordering support

Technical data

• Article number: 6856709
• SKU: 6856709-Tungaloy
• Manufacturer SKU: TUN6856709
• Model series: ISO-Drehwendeschneidplatten
• Designation: DCMT11T304

Facts

• Size: 11 mm
• Thickness: 3.97 mm
• Clearance angle: 7°
• Included angle: 55°
• Corner radius: 0.4 mm

Special features

• Material: carbide
• Coating / grade: AH725 (PVD-coated)
• Plate shape: rhombic
• Hole: cylindrical hole + single-sided countersink (40°–60°)
• Chipbreaker: one-sided
• Typical application: external and internal turning
• System components: insert, matching external holder or boring bar, backing/clamp set, replacement screws

FAQ

What materials is this insert suitable for?
The AH725 grade insert is intended for machining Stahl and rostfreier Stahl and is specified for applications where fracture resistance and process security are required.

How does the PVD coating benefit machining performance?
The PVD coating on this Tungaloy insert increases surface hardness and reduces friction, which helps to prevent built-up edge and extends tool life under varied operating conditions.

Which holders are compatible with this ISO designation?
Compatibility is determined by form, clearance angle, tolerance class, attachment, size and thickness; the DCMT11T304 format fits standard ISO-compatible external holders and boring bars designed for 11 mm rhombic inserts.

What does the hole style mean for clamping reliability?
The cylindrical hole with a single-sided countersink (40°–60°) delivers secure seating and predictable clamping, reducing micro-movements and improving stability under load.

Is this insert suitable for finishing and roughing operations?
Yes — the single-sided chipbreaker and 0.4 mm corner radius make it adaptable for finishing and light to medium roughing, depending on cutting parameters and holder rigidity.

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.