Mitsubishi DNMG150408 NX2525 Cermet Turning Insert | 10pcs
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DNMG150408 NX2525
High-Speed Steel Finishing | NX2525 Cermet | Robust 0.8mm Radius
Superior Surface Finish Technology
Machinists searching for a competitive Mitsubishi DNMG150408 NX2525 price are looking for more than just an insert—they are looking for a way to achieve mirror finish turning on steel parts. The NX2525 is designed to outperform carbide in high-speed, light-duty applications.
NX2525 Grade (Premium Cermet): Unlike standard tungsten carbide, the NX2525 cermet grade for steel is a micro-grained ceramic-metallic composite. It has a significantly lower chemical affinity for steel, which virtually eliminates Built-up Edge (BUE). This means your tool stays sharp longer and your workpiece glows with a high-luster finish.
0.8mm Radius (Structural Reliability): The "08" (1/32") nose radius provides the perfect balance between edge strength and surface quality. It is robust enough to handle semi-finishing passes while still delivering the high-precision CNC finishing required for aerospace and automotive tolerances.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DNMG150408 | 12.70 mm | 4.76 mm | 0.80 mm |
| Imperial | DNMG432 | 1/2" | 3/16" | 0.0315" (1/32") |
Recommended Cutting Parameters
*Cermet requires high speeds to prevent edge chipping. Not suitable for heavy roughing.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (1045/45#) | 180 - 400 m/min | 0.10 - 0.30 mm/r | 0.50 - 2.00 mm |
| Alloy Steel (4140/SCM440) | 150 - 320 m/min | 0.08 - 0.25 mm/r | 0.30 - 1.50 mm |
Compatible Tool Holders
Ensure setup rigidity for Cermet performance with 15-series holders:
Shop DDJNR 15 HoldersPro-Tip: Cermet (NX2525) vs. Coated Carbide
NX2525 (Mirror Polish Expert): Best used for finishing cuts where a grind-like finish is desired. It excels at high speeds but is brittle.
VP15TF/US735 (Interrupted Cut King): If your part has keyways, splines, or requires heavy material removal, switch to Mitsubishi carbide grades. Cermet will chip under high impact or when the cut is heavily interrupted.
Searching for the best cermet inserts for steel semi-finishing? The Mitsubishi NX2525 vs carbide performance comparison shows that for high-speed CNC precision, the DNMG 150408 finishing insert is the professional's choice. These long-life turning inserts for carbon steel are engineered to reduce heat buildup and prevent built-up edge. Buy genuine Mitsubishi DNMG 15 series online here for consistent surface excellence.
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