Mitsubishi TPMH090204-MV NX2525 | Cermet Steel Finishing Insert
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TPMH090204-MV NX2525
Mitsubishi Materials | Precision Steel Finishing Cermet
Mirror Finish Precision with MV Control
The Mitsubishi TPMH090204-MV NX2525 is a high-performance Cermet turning insert designed for high-speed finishing of carbon and alloy steels. Unlike standard carbide, the NX2525 Cermet grade offers superior chemical stability, preventing the "welding" of work material to the edge. This long-tail precision tool, featuring the MV chipbreaker, is the ideal choice for CNC boring where dimensional accuracy and a high-gloss surface finish are paramount.
NX2525 High-Speed Cermet | MV Precision Chipbreaker | 11° Positive Relief
Technical Code Identification
Triangular Shape
11° Positive Relief
M-Class Tolerance
Countersink Hole
9mm Edge Length
2.38mm Thick
0.4mm Radius
Medium Finish
ISO (Metric) vs ANSI (Inch) Comparison
| Feature | ISO (Metric) | ANSI (Inch Equivalent) |
|---|---|---|
| Model Number | TPMH090204-MV | TPMH 1.81.51 MV |
| Inscribed Circle (IC) | 5.56 mm | 0.219" (7/32") |
| Corner Radius | 0.4 mm | 0.016" (1/64") |
NX2525 Cermet Grade
NX2525 is a TiCN-based Cermet (Ceramic-Metal). It bridges the gap between the toughness of carbide and the heat resistance of ceramics. It is chemically inert to iron, which means zero Built-Up Edge (BUE) and a consistently high-quality surface finish on all steel workpiece materials.
MV "Multi-Value" Chipbreaker
The MV chipbreaker is designed for versatility. It excels in light-to-medium finishing, offering stable chip control even at fluctuating dephts of cut. Its geometry reduces cutting resistance, which is vital for preventing chatter in internal boring applications.
Recommended Cutting Parameters
| Workpiece Material | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Carbon Steel / Mild Steel | 150 - 350 m/min | 0.05 - 0.20 mm/rev | 0.2 - 1.5 mm |
| Alloy Steel / Die Steel | 120 - 280 m/min | 0.05 - 0.15 mm/rev | 0.2 - 1.2 mm |
COMPATIBLE TOOL HOLDERS
Designed for STFPR/L 09 style tool holders and Boring Bars.
Shop 9mm Boring Bars →
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.