Mitsubishi CCMT060208 NX2525 Cermet Insert 0.8mm Radius (10pcs)
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CCMT060208 NX2525
High-Feed Finishing Specialist | NX2525 Cermet | 0.8mm Radius
Engineering Analysis
NX2525 Grade (TiCN Cermet): NX2525 is a non-coated Titanium Carbonitride cermet that represents the peak of Surface Finish Technology. Cermets are chemically inert to steel, meaning they do not allow "welding" of the chip to the tool. This grade allows you to maintain a mirror finish while running at surface speeds 20-40% higher than conventional carbide.
0.8mm Radius (The Productivity Edge): The larger 0.8mm (1/32") radius makes the cutting edge significantly more robust. It allows for a wider wiping effect, meaning you can increase your feed rate (mm/rev) while maintaining a surface roughness equivalent to a smaller radius insert at half the speed.
Metric vs. Imperial Specifications
| Unit System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT060208 | 6.35 mm | 2.38 mm | 0.80 mm |
| Imperial | CCMT21.52 | 0.250" (1/4") | 0.0937" (3/32") | 0.0315" (1/32") |
High-Feed Cutting Parameters
*The 0.8mm radius requires more machine rigidity. Best results achieved in dry finishing or with oil mist.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (Finishing) | 150 - 350 m/min | 0.10 - 0.30 mm/r | 0.20 - 1.50 mm |
| Alloy Steel (Continuous) | 120 - 300 m/min | 0.08 - 0.25 mm/r | 0.20 - 1.20 mm |
Required Tool Holder
Standard compatibility with SCLCR/L external tools and S-SCLCR boring bars:
Shop SCLCR 06 HoldersPro-Tip: NX2525 vs Carbide
NX2525 (Cermet): Use for continuous high-speed finishing. It will last 2x longer than carbide when cutting steel at speeds above 200m/min and produces a much higher gloss.
PVD Carbide (VP15TF): Use only if you are cutting Stainless Steel or have Heavy Interrupted Cuts. Cermet is more brittle; for roughing or vibration-heavy setups, carbide is the safer bet.
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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.