Mitsubishi DCMT11T308-MV NX2525 Cermet Turning Insert for High-Gloss Steel
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DCMT11T308-MV NX2525
Mirror-Finish Specialist | MV Versatile Chipbreaker | 0.8mm Heavy Finishing
Superior Aesthetics via Cermet Technology
NX2525 Cermet Grade: The NX2525 is a Titanium Carbonitride (TiCN) based Cermet. Unlike standard tungsten carbide, Cermet does not "weld" to steel workpieces at high temperatures. This prevents Built-Up Edge (BUE), resulting in a mirror-like surface finish and excellent dimensional consistency over long production runs.
MV Chipbreaker (Medium Finishing): The MV (Medium-V) geometry is a versatile chipbreaker designed for stability. It covers a wider range of cutting depths and feed rates than ultra-fine finishers, ensuring smooth chip evacuation and preventing "bird-nesting" during automated production.
0.8mm Nose Radius (Strength & Surface): The "08" (1/32") radius offers significant edge strength. It is ideal for semi-finishing passes where you need to remove more material while still achieving a high-gloss final surface. The larger radius also allows for higher feed rates without sacrificing $Ra$ values.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T308-MV | 9.525 mm | 3.97 mm | 0.80 mm |
| Imperial | DCMT32.52-MV | 3/8" | 5/32" | 0.0315" (1/32") |
Recommended Cutting Parameters
*Cermet requires high speeds to achieve optimal gloss. Avoid heavy interrupted cuts.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (1045) | 200 - 450 m/min | 0.10 - 0.30 mm/r | 0.30 - 2.00 mm |
| Alloy Steel (4140) | 180 - 380 m/min | 0.08 - 0.25 mm/r | 0.25 - 1.50 mm |
Compatible Tool Holders
Maximum performance with 11-series SDJCR/L or SDUCR/L holders:
Shop SDJCR 11 HoldersPro-Tip: NX2525 vs. VP15TF
NX2525 (Cermet): The choice for aesthetic finishing on steel. It is much harder and more heat resistant than carbide, producing a brighter finish at higher speeds.
VP15TF (PVD Carbide): Use this if your cut is interrupted (e.g., holes or keyways). Cermet is brittle and may chip under shock. Also, use carbide for Stainless Steel applications.
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Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.