Mitsubishi CPMH090304-MV UE6020 Steel Turning Insert (10pcs)
Price shown is a starting point. Contact us for a precise quote based on your requirements.
CPMH090304-MV UE6020
Medium Steel Specialist | UE6020 Toughness | MV Precision Control
Optimized for Steel Stability
UE6020 Grade (CVD Multi-Layer Coating): The UE6020 is a versatile CVD-coated grade engineered for P-Class (Steel). It features a specialized TiCN + Al2O3 coating layer that protects the carbide substrate from the high temperatures generated during steel turning. It is particularly renowned for its resistance to Built-Up Edge (BUE) and its ability to withstand interrupted cuts without fracturing.
MV Chipbreaker (Medium-Cut Geometry): The MV chipbreaker is designed for the 11-degree positive CPMH series. It features a balanced rake angle that provides a sharp cutting action while maintaining edge strength. This geometry excels at breaking chips in carbon steel, preventing long, wiry ribbons that can damage the workpiece surface or interfere with automated production.
0.4mm (1/64") Precision Radius: The 04 radius is the ideal choice for finishing and semi-finishing. It minimizes radial cutting forces, which is essential for preventing chatter in long-reach boring bars or slender workpieces.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CPMH090304-MV | 9.525 mm | 3.18 mm | 0.40 mm |
| Imperial | CPMH321-MV | 3/8" | 1/8" | 0.0157" (1/64") |
Steel Cutting Parameters
*The CPMH09 size provides better stability for deeper cuts. Use flood coolant for optimal tool life in alloy steels.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (1045) | 140 - 270 m/min | 0.08 - 0.25 mm/r | 0.30 - 2.50 mm |
| Alloy Steel (4140) | 110 - 210 m/min | 0.06 - 0.20 mm/r | 0.25 - 1.80 mm |
Compatible Tool Holders
The CPMH 09 size fits SCLC or SCPC series holders and boring bars:
Shop 09 Series HoldersPro-Tip: UE6020 vs. NX2525
UE6020 (The Versatile Tough Grade): Use this as your primary grade for steel roughing and finishing, especially where the cut is not perfectly continuous.
NX2525 (The High-Speed Cermet): Switch to NX2525 if your machine can reach high speeds and you need a mirror-like surface finish on finishing passes.
Search Keywords: CPMH090304-MV UE6020 price, Mitsubishi CPMH321-MV, steel turning inserts, UE6020 cutting data, MV chipbreaker technical specs.
Long-tail Keywords: Best carbide inserts for steel boring, Mitsubishi UE6020 for medium carbon steel, CPMH 090304-MV for internal turning, buy genuine Mitsubishi UE6020 online, CVD coated inserts for alloy steel.
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.