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") |
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.