Mitsubishi DCMT11T302 UE6020 Carbide Turning Insert for Steel (10pcs)
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DCMT11T302 UE6020
Anti-Vibration Steel Specialist | UE6020 CVD Coating | 0.2mm Radius
Precision Engineering for Steel Finishing
UE6020 Grade (CVD Multi-Layer): The UE6020 is a premium CVD-coated carbide grade optimized for stable steel turning. It features a thick TiCN + Al2O3 coating that provides excellent crater wear resistance. It is the ideal choice for medium-to-high speed finishing of carbon and alloy steels where tool life and surface consistency are paramount.
DCMT Geometry (Positive Rake): The 55-degree diamond shape with a positive chipbreaker ensures smooth chip evacuation and reduces the heat generated at the cutting edge. This prevents thermal deformation of the workpiece and ensures high dimensional accuracy.
0.2mm Radius (Low Force Specialist): The ultra-sharp 0.2mm radius is designed to minimize radial cutting pressure. If you are struggling with chatter or vibration on long-reach tools or thin-walled parts, this radius is the industry-standard solution to achieve a flawless finish.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T302 | 9.525 mm | 3.97 mm | 0.20 mm |
| Imperial | DCMT32.50.5 | 3/8" | 5/32" | 0.0078" |
Recommended Machining Parameters
*The 0.2mm radius requires delicate feed rates to maintain edge life and avoid chipping.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (1045) | 180 - 350 m/min | 0.03 - 0.10 mm/r | 0.05 - 0.80 mm |
| Alloy Steel (4140) | 150 - 300 m/min | 0.03 - 0.08 mm/r | 0.05 - 0.60 mm |
Compatible Tool Holders
Maximum performance when paired with SDJCR or SDUCR 11-series holders:
Shop SDJCR 11 HoldersPro-Tip: UE6020 vs. VP15TF
UE6020 (Steel Specialist): Best for continuous high-speed runs on carbon steel. Excellent for high-volume productivity.
VP15TF (PVD General Purpose): If you are machining a mix of steel, stainless, and heat-resistant alloys on the same machine, switch to VP15TF. It is the "all-rounder" for mixed-material shops.
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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.