Mitsubishi CCMT09T302 NX2525 Cermet Turning Insert (10pcs)
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CCMT09T302 NX2525
High-Speed Steel Finishing | TiCN Cermet | 0.2mm Precision Radius
Engineering & Material Science
NX2525 Grade (TiCN Cermet): This grade is a non-coated Titanium Carbonitride-based cermet. Unlike standard tungsten carbide, cermet has a low chemical affinity for steel. This prevents the workpiece material from "smearing" or "welding" onto the cutting edge, effectively eliminating Built-Up Edge (BUE). The result is a consistent, high-gloss surface finish and superior dimensional control.
80° Positive Rhombic Geometry: The CCMT design features a 7° positive relief angle. This reduces cutting resistance and tool pressure, which is vital for maintaining accuracy in Internal Boring operations and when machining long, slender workpieces.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT09T302 | 9.525 mm | 3.97 mm | 0.20 mm |
| Imperial | CCMT32.50.5 | 0.375" (3/8") | 0.156" (5/32") | 0.0079" |
Recommended Cutting Parameters
*The 0.2mm radius is sensitive to feed rates. Exceeding recommended feed can lead to edge chipping or poor surface finish.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon & Alloy Steel | 180 - 400 m/min | 0.03 - 0.10 mm/r | 0.10 - 0.80 mm |
| Mild Steel / Structural | 200 - 450 m/min | 0.04 - 0.12 mm/r | 0.10 - 1.00 mm |
Compatible Tool Holders
Maximum performance for SCLCR/L turning tools and S-SCLCR boring bars:
Shop SCLCR 09 HoldersPro-Tip: NX2525 vs VP15TF
NX2525 (Cermet): This is your "Jewelry Finish" specialist. Use it for high-speed, continuous finishing in steel where the part must look polished.
VP15TF (Carbide): Switch to VP15TF for Interrupted Cuts or Stainless Steel. Cermet is more brittle; carbide is needed to handle the shock of interrupted machining or the toughness of gummy materials.
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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.