Mitsubishi CNMG120404-MA UE6110 High-Speed Steel Turning Insert (10pcs)
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CNMG120404-MA UE6110
High-Speed Steel Specialist | UE6110 CVD Grade | Precision Finishing 04 Radius
Optimized for High-Speed Productivity
UE6110 Grade (High-Velocity CVD): The UE6110 is Mitsubishi’s premium CVD-coated grade for P-Class (Steel). It is specifically hardened to withstand the extreme temperatures of high-speed turning. The advanced coating structure offers industry-leading crater wear resistance, making it the top choice for long-run production where maintaining a consistent finish at high speeds is required.
MA Chipbreaker (Precision Flow): The MA geometry is tailored for medium-to-finishing applications. It features a sharp rake angle that shears through steel cleanly, reducing heat generation at the tip. It ensures excellent chip evacuation even at the light depths of cut typically used in finishing passes.
0.4mm (1/64") Precision Radius: The small corner radius minimizes radial cutting pressure. This is essential for preventing chatter on long, slender workpieces or when using low-rigidity setups, allowing you to achieve Ra values that meet strict aerospace and automotive standards.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CNMG120404-MA | 12.7 mm | 4.76 mm | 0.40 mm |
| Imperial | CNMG431-MA | 1/2" | 3/16" | 0.0157" (1/64") |
High-Speed Cutting Parameters
*Designed for high-speed continuous turning. Not recommended for heavy interrupted cuts.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Mild Steel (Low Carbon) | 250 - 450 m/min | 0.05 - 0.25 mm/r | 0.30 - 2.00 mm |
| Alloy Steel (4140 / 4340) | 200 - 380 m/min | 0.08 - 0.20 mm/r | 0.30 - 1.50 mm |
Precision Tool Holders
Maximum rigidity for high-speed finishing in DCLNR/L 12 series holders:
Shop DCLNR 12 HoldersPro-Tip: UE6110 vs. UE6020
UE6110 (High Speed): Use this when your primary goal is speed and tool life in stable, continuous cuts. It is a harder grade that loves heat.
UE6020 (General Purpose): Switch to UE6020 if you are experiencing edge chipping or if your setup involves interrupted cuts (like keyways or holes).
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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.