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
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.