Mitsubishi CCMT09T308 NX2525 Cermet Insert 0.8mm Radius (10pcs)
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CCMT09T308 NX2525
High-Feed Finishing Specialist | NX2525 Cermet | 0.8mm Radius
Engineering Analysis
NX2525 Grade (TiCN Cermet): NX2525 is a non-coated Titanium Carbonitride-based cermet that represents the peak of Steel Surface Technology. Cermets are chemically inert to steel, meaning they resist the "welding" of chips to the tool edge. This prevents Built-Up Edge (BUE) and allows for ultra-high surface speeds while maintaining a consistent, jewelry-grade gloss.
0.8mm Radius (Productivity Edge): The larger 0.8mm radius makes the cutting edge significantly more robust than smaller versions. It is ideal for Semi-Finishing to Finishing transitions. The larger radius creates a broader contact area, allowing you to increase feed rates (mm/rev) while still achieving a smooth surface finish.
Metric vs. Imperial Specifications
| Unit System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT09T308 | 9.525 mm | 3.97 mm | 0.80 mm |
| Imperial | CCMT32.52 | 0.375" (3/8") | 0.156" (5/32") | 0.0315" (1/32") |
Recommended Cutting Parameters
*The 0.8mm radius provides the best results at slightly higher feed rates to ensure proper chip breaking.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (Finishing) | 150 - 350 m/min | 0.12 - 0.35 mm/r | 0.30 - 2.00 mm |
| Alloy Steel (SCM440) | 120 - 300 m/min | 0.10 - 0.28 mm/r | 0.30 - 1.50 mm |
Required Tool Holder
Maximum stability for SCLCR/L 09 external tools and S-SCLCR boring bars:
Shop SCLCR 09 HoldersPro-Tip: NX2525 vs Carbide
NX2525 (Cermet): Specifically for Continuous Finishing. Achieve mirror finishes on steel that carbide can't match.
VP15TF / MP6015 (Carbide): Switch to these only for Stainless Steel or Heavy Interrupted Cuts. Cermet is more brittle; for roughing or shock-heavy applications, carbide is required.
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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.