DNMA 150412 T5125 Wendeplatten - Tungaloy

Take advantage of the T5125 grade and robust rhombic geometry for dependable turning under interrupted cuts, optimising uptime and part quality. Order the DNMA150412 T5125 indexable insert directly via Metav Werkzeuge or ask our consultants if needed.

DNMA 150412 T5125 indexable turning insert — rhombic 55° geometry by Tungaloy

DNMA150412 T5125 is an ISO‑standard indexable insert designed for turning operations, offering a tough CVD‑coated carbide grade for demanding cast‑iron machining and unstable set‑ups.

• ISO rhombic DNMA 55° geometry
• CVD‑coated carbide, Grade T5125
• Cylindrical hole for secure mounting
• 1.2 mm corner radius for versatile finishing

Dependable cutting performance for interrupted turning

The grade supplied provides a tough CVD coating on a carbide substrate that is engineered for stability in interrupted cuts and less rigid toolset‑ups. This composition reduces the likelihood of edge chipping where engagement is intermittent and vibration is present, resulting in fewer unplanned tool changes and a more predictable production rhythm. The combination of the rhombic 55° geometry and a 1.2 mm corner radius delivers a balance between strength at the cutting edge and acceptable surface integrity, making this insert suitable where both durability and finish matter.

Secure seating and consistent repeatability in ISO systems

As part of the ISO‑normed insert family, mechanical compatibility is determined by form, relief angle, tolerance class, fastening and thickness. The cylindrical hole enables positive clamping and straightforward alignment on matched holders, improving repeatability between indexings. A defined 0° relief angle and the ISO size coding simplify replacement and inventory management, so production lines benefit from rapid, error‑free insert changes and consistent tool setting values across batches.

Material suitability and machining recommendations

This insert grade is optimised for cast iron under interrupted or semi‑stable conditions; the tougher substrate and coating combination helps control built‑up edge and extend tool life. For finishing passes on ferritic materials, modest feeds combined with stable clamping will preserve edge stability and aid surface finish. Where chip control is critical, select a matching chipformer or adjust cutting parameters — the insert is supplied without a chipbreaker, so toolpath and parameter strategy should account for chip evacuation in the chosen set‑up.

Discuss Tungaloy’s DNMA 150412 T5125 with Metav Werkzeuge to match the insert to specific turning applications and optimise process reliability — contact Metav Werkzeuge via info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6850213
• Manufacturer SKU: TUN6850213
• Internal SKU: 6850213-Tungaloy
• Designation: DNMA150412

Facts

• Corner radius: 1.2 mm
• Insert angle: 55°
• Relief angle: 0°
• Thickness: 4.76 mm
• Size: 15 mm

Materials & features

• Material: carbide
• Coating/Grade: T5125 (CVD‑coated)
• Plate form: rhombic
• Hole style: cylindrical hole
• Chipbreaker: none
• Application: turning
• Series: ISO turning inserts

FAQ

What materials is this insert best suited for? The DNMA150412 T5125 insert is optimised for machining cast iron, particularly where interrupted cuts or less stable clamping are encountered.

Can the insert be used in standard ISO holders? Yes, the DNMA150412 follows ISO norms; compatibility depends on holder form, thickness and fastening, and it is intended for matched ISO turning holders.

Does the insert include a chipbreaker? This insert is supplied without a chipbreaker, so chip management should be addressed through cutting parameters or a compatible chipforming geometry when available.

How does the T5125 grade affect tool life? The T5125 CVD‑coated carbide grade offers improved edge robustness for interrupted machining, which typically extends tool life compared with tougher uncoated grades in similar conditions.

Which mounting method is recommended for consistent results? Secure clamping via the cylindrical hole in a correctly rated holder ensures repeatability and stable seating, reducing the risk of misalignment during indexings.

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.