Mitsubishi CCMT060202 NX2525 Cermet Insert for Mirror Finish (10pcs)
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CCMT060202 NX2525
Precision Steel Finishing | TiCN Cermet Grade | 0.2mm Radius
Material & Geometry Analysis
NX2525 Grade (TiCN Cermet): This is a premium Titanium Carbonitride-based cermet. Unlike carbide, NX2525 possesses high chemical stability and thermal resistance, making it nearly immune to Built-Up Edge (BUE). It is the gold standard for achieving high-gloss, "polished" looks directly off the lathe.
CCMT Geometry (80° Positive): The 7-degree positive rake angle significantly reduces cutting resistance and heat buildup. Combined with a 0.2mm radius, this insert excels in Boring Bars and thin-wall applications where minimizing vibration and tool pressure is critical for surface integrity.
Metric vs. Imperial Comparison
| Unit System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT060202 | 6.35 mm | 2.38 mm | 0.20 mm |
| Imperial | CCMT21.50.5 | 0.250" (1/4") | 0.0937" (3/32") | 0.0079" |
Recommended Cutting Parameters
*The 0.2mm radius is sensitive to feed rates. Use high surface speeds to activate the cermet's self-sharpening properties.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon & Alloy Steel | 180 - 400 m/min | 0.03 - 0.10 mm/r | 0.05 - 0.60 mm |
| Mild Steel / Iron | 200 - 450 m/min | 0.04 - 0.12 mm/r | 0.05 - 0.80 mm |
Required Tool Holder
Maximum performance when paired with standard SCLCR/L external tools or boring bars:
Shop SCLCR 06 HoldersGrade Comparison: NX2525 vs AP25N
NX2525: The premier Mirror-Finish grade. Harder and more wear-resistant than AP25N. Use this for clean, continuous finishing to get the highest possible gloss.
AP25N: The Versatility grade. Slightly tougher than NX2525. If you have light interrupted cuts or older machinery with slight vibration, AP25N is a safer choice to avoid chipping.
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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.