Mitsubishi DCMT11T308-MV UE6020 Carbide Turning Insert for Steel
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DCMT11T308-MV UE6020
High-Strength Steel Specialist | UE6020 CVD Coating | MV Versatile Geometry
Engineered for High-Feed Reliability
UE6020 Grade (The Steel Master): The UE6020 is a specialized CVD-coated carbide specifically for P-Class (Steel). It is designed to withstand the high-temperature friction of high-speed continuous cutting. The multi-layered coating prevents crater wear and plastic deformation, ensuring that the cutting edge remains stable during long production runs in carbon and alloy steels.
MV Chipbreaker (Medium-V): The MV chipbreaker is the workhorse of the Mitsubishi lineup. It is designed to provide stable chip control across a wide range of cutting depths. Even at high feed rates, the MV geometry ensures chips are broken quickly, protecting the finished surface and the machine operator.
0.8mm Radius (High Strength): The "08" (1/32") radius is engineered for edge security. It is significantly more durable than the 0.4mm version, allowing for higher feed rates ($fn$) and deeper passes ($Ap$). This makes it the ideal choice for semi-roughing or when the material has a rough skin.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T308-MV | 9.525 mm | 3.97 mm | 0.80 mm |
| Imperial | DCMT32.52-MV | 3/8" | 5/32" | 0.0315" (1/32") |
Recommended Machining Parameters
*UE6020 excels at high surface speeds. Maintain consistent coolant flow for heat management.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| General Steel (1045/1018) | 150 - 350 m/min | 0.10 - 0.30 mm/r | 0.50 - 2.50 mm |
| Alloy Steel (4140/4340) | 120 - 300 m/min | 0.08 - 0.25 mm/r | 0.40 - 2.00 mm |
Compatible Tool Holders
Maximum performance for 11-series SDJCR/L or SDUCR/L holders:
Shop SDJCR 11 HoldersPro-Tip: UE6020 vs. US735
UE6020 (CVD Carbide): Optimized for steel. Use this for carbon and alloy steel to achieve the longest possible tool life at high speeds.
US735 (CVD Carbide): Switch to US735 ONLY for stainless steel or if your steel cut is heavily interrupted. UE6020 is superior in pure, continuous steel turning.
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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.