Mitsubishi DCMT11T304-MV UE6020 Carbide Turning Insert for Steel
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DCMT11T304-MV UE6020
High-Efficiency Steel Machining | UE6020 CVD Grade | MV Versatile Geometry
Engineered for High-Speed Reliability in Steel
UE6020 Grade (CVD Coating): The UE6020 is Mitsubishi’s flagship CVD-coated carbide for P-Class (Steel). It is specifically engineered to resist the extreme heat generated during high-speed continuous cutting. The multi-layered coating provides a hard outer shell that resists crater wear and a tough substrate to prevent edge breakage, ensuring stable tool life across thousands of parts.
MV Chipbreaker (Medium-V): The MV geometry is a versatile semi-finishing chipbreaker. It features a balanced rake angle that provides a sharp cutting action while maintaining enough edge strength for varied depths of cut. It is designed to provide consistent chip evacuation in carbon steels, preventing the "long chip" issues that cause downtime.
0.4mm Radius (The All-Rounder): The "04" (1/64") nose radius is the most common choice for general-purpose turning. It allows for high-quality surface finishes while maintaining enough mass to withstand the pressures of semi-finishing cuts.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T304-MV | 9.525 mm | 3.97 mm | 0.40 mm |
| Imperial | DCMT32.51-MV | 3/8" | 5/32" | 0.0157" (1/64") |
Recommended Machining Parameters
*UE6020 is designed for high-speed efficiency. Optimal results are achieved in continuous cutting with flood coolant.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Mild Steel (1018/1020) | 180 - 380 m/min | 0.08 - 0.22 mm/r | 0.40 - 2.00 mm |
| Alloy Steel (4140/4340) | 140 - 320 m/min | 0.07 - 0.20 mm/r | 0.30 - 1.50 mm |
Compatible Tool Holders
Maximum rigidity for 11-series SDJCR/L or SDUCR/L holders:
Shop SDJCR 11 HoldersPro-Tip: UE6020 vs. US735
UE6020 (CVD): Optimized for steel production. It handles high-speed friction heat much better than other grades, making it the best for continuous turning.
US735 (CVD): Switch to US735 only if you are machining stainless steel or if you have heavy interruptions. US735 is tougher, but UE6020 is much faster in pure steel.
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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.