DNMG 150404 AH6225 Wendeplatten - Tungaloy

The combination of a PVD-coated carbide grade AH6225 and a stable 55° rhombic geometry delivers consistent machining performance and reliable chip control for stainless steel turning; order directly via Metav Werkzeuge or consult our technical team for tailored recommendations.

DNMG 150404 AH6225 — ISO rhombic indexable insert for turning by Tungaloy

The DNMG150404 AH6225 is an ISO‑standard rhombic indexable insert designed for external and internal turning operations on stainless steels, offering a balanced cutting edge for medium machining and variable conditions.

• DNMG 150404 ISO rhombic 55° geometry
• PVD-coated carbide grade AH6225 for stainless steel
• Double-sided chipbreaker for consistent chip control
• 0.4 mm corner radius, cylindrical hole for secure clamping

Maximise efficiency in stainless steel turning

The PVD-coated carbide construction of this indexable insert provides a robust wear barrier that reduces flank and crater wear under fluctuating cutting conditions. In practice, the AH6225 grade is formulated as a universal option for stainless steels, combining a sharp cutting edge with sufficient toughness to resist chipping. This results in steady cutting performance across interrupted cuts and light to moderate depths of cut, reducing the need for frequent insert changes and contributing to predictable cycle times on production runs.

Geometry and clamping that ensure process stability

A 55° rhombic platform with a 0.4 mm corner radius offers a balance between edge strength and profile definition, suitable for general profiling and finishing passes. The insert’s double-sided chipbreaker supports predictable chip formation and evacuation, which improves surface finish and lowers the risk of built-up edge on stainless materials. The cylindrical hole and specified thickness create a secure interface with matched holders, so dimensional tolerances and correct clamping result directly in repeatable part quality and reduced rework.

How the AH6225 grade improves productivity

Selecting a universal grade like AH6225 reduces tooling complexity for mixed-material batches and variable machining conditions. The PVD layer enhances thermal resistance at the cutting edge, permitting stable cutting parameters and extended tool life when compared with uncoated alternatives in many turning scenarios. For operations where changeover speed and inventory simplicity matter, this grade can lower tooling costs per part by increasing the usable life of each insert while maintaining consistent surface integrity.

System compatibility and recommended setup

The insert is an ISO-type indexable plate that integrates into a conventional turning system: an ISO-compatible external holder or boring bar, a suitable shim or clamping set, and the correct fixing screw. Compatibility depends on the holder’s form, relief angle, tolerance class and the insert’s size and thickness; matching these parameters ensures correct seat contact and torque distribution during clamping. For best results, pair the insert with a holder that supports a 55° rhombic geometry and verify the holder’s seating for inserts with a cylindrical hole to prevent misalignment and uneven wear.

For reliable production with Tungaloy’s AH6225 grade and fast delivery, contact Metav Werkzeuge for application advice and immediate supply at info@metav-werkzeuge.com or call +49 2822 7131930.

Technical data

• Article number: 6903189
• SKU (manufacturer): TUN6903189
• Item SKU: 6903189-Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Material: Hartmetall
• Grade: AH6225 (PVD-coated)
• Shape designation: DNMG150404

Facts

• Corner radius: 0.4 mm
• Included angle: 55°
• Plate thickness: 4.76 mm
• Plate size: 15 mm

Special features

• Rhombic plate form (55°)
• Double-sided chipbreaker
• Cylindrical hole for secure clamping
• Intended application: Turning (external & internal)
• Compatibility: ISO-standard insert — check holder form and tolerances

FAQ

What materials is this insert suitable for?
The DNMG150404 AH6225 insert is formulated primarily for stainless steels; the AH6225 PVD-coated carbide provides a balance of sharpness and edge stability for medium machining duties.

How does the double-sided chipbreaker affect machining?
The double-sided chipbreaker on this indexable insert enables consistent chip control, improving surface finish and reducing the chance of built-up edge during stainless steel turning operations.

Which holders are compatible with DNMG 150404 inserts?
Compatibility requires an ISO‑compatible holder that accepts DNMG‑type rhombic inserts with a cylindrical hole; ensure the holder’s relief angle, tolerance class and thickness match the insert specifications for secure clamping.

What edge preparation is provided by the AH6225 grade?
The AH6225 grade delivers a sharp yet stable cutting edge suited for variable conditions; the PVD coating enhances thermal resistance and contributes to longer usable life under typical stainless steel turning parameters.

Is the DNMG150404 suitable for finishing passes?
Yes, with its 0.4 mm corner radius and stable geometry the insert is suitable for many finishing and light profiling applications where a fine surface finish and precise dimensional control are required.

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.