Mitsubishi RCMX1003MO NX2525 Cermet Insert | Precision Finishing
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RCMX1003MO NX2525
Mitsubishi Materials | High-Speed Cermet for Precision Profiling
The Mitsubishi RCMX1003MO NX2525 is a high-performance cermet turning insert specifically engineered for finishing and profiling steel components. By utilizing a ceramic-metal composite (Cermet) instead of traditional carbide, this insert provides exceptional resistance to chemical wear and oxidation. It is the definitive indexable turning solution for achieving a high-gloss surface finish (mirror finish) while maintaining tight dimensional tolerances during high-speed CNC turning.
Technical Specifications
| ISO Designation | RCMX1003MO |
|---|---|
| ANSI Designation | RCMX 32.5 MO |
| Grade Category | NX2525 (High-Speed Finishing Cermet) |
| Insert Diameter ($IC$) | 10.0 mm (0.394") |
| Thickness ($S$) | 3.18 mm (0.125") |
NX2525 Cermet Advantage
The NX2525 grade is a TiCN-based cermet that provides superior wear resistance at higher temperatures. Because cermet has a much lower affinity for steel than carbide, it virtually eliminates built-up edge (BUE). This property ensures that the surface finish remains consistent throughout the tool's life, even when machining steel at elevated surface speeds.
MO Profiling Chipbreaker
The MO chipbreaker on a round (R) insert offers a stable, high-strength cutting edge. Unlike standard diamond inserts, the round profile has no "weakest point," allowing for excellent profiling and copy turning. The MO geometry balances cutting resistance and chip control, facilitating smooth chip evacuation during light to medium finishing passes.
Recommended Cutting Parameters
Optimized for Steel Finishing (P05 - P20)
| Material Group | Cutting Speed ($v_c$) | Feed per Rev ($f$) |
|---|---|---|
| Low Carbon Steel (1018/1020) | 180 - 400 m/min | 0.08 - 0.25 mm/rev |
| Alloy Steel (SCM440/4140) | 150 - 320 m/min | 0.05 - 0.20 mm/rev |
| Ductile Cast Iron | 150 - 280 m/min | 0.10 - 0.30 mm/rev |
SRDC / SRGC HOLDER COMPATIBILITY
For maximum profiling precision, mount the RCMX1003MO on Mitsubishi SRDC series turning tool holders.
View Compatible Holders →Metric vs. Inch Reference
| Feature | Metric (ISO) | Inch (ANSI) |
|---|---|---|
| Diameter | 10 (10.0 mm) | 32.5 (3.125/8" or 0.394") |
| Thickness | 03 (3.18 mm) | 3 (1/8" or 0.125") |
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This Mitsubishi insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
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.