Mitsubishi DCMT11T302 US735 Carbide Insert for Stainless Steel (10pcs)
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DCMT11T302 US735
Anti-Vibration Stainless Specialist | US735 Tough CVD | 0.2mm Radius
Engineered for Precision in Tough Alloys
US735 Grade (CVD Toughness Tech): The US735 is Mitsubishi’s premier grade for Stainless Steel. It features a specialized thick TiCN + Al2O3 coating layer that provides extreme heat resistance. The substrate is engineered with a high level of fracture toughness, allowing this insert to survive interrupted cuts and unstable setups that would shatter standard finishing grades.
DCMT Geometry (Positive Rake): The 55-degree diamond shape with a positive rake angle is designed to "slice" rather than "push" gummy stainless steel (like 304/316). This prevents Built-up Edge (BUE) and ensures that the heat stays in the chip, not the workpiece.
0.2mm Radius (Low Cutting Force): The ultra-small 0.2mm radius is a specialist tool. By reducing the contact area between the tool and the part, it minimizes radial forces. This is the #1 solution for preventing chatter in long-reach boring bars or thin-walled components.
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 Cutting Parameters
*The 0.2mm radius requires lower feed rates to maintain edge integrity and surface finish.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Austenitic Stainless (304/316) | 80 - 150 m/min | 0.02 - 0.10 mm/r | 0.05 - 0.80 mm |
| Duplex Stainless Steel | 40 - 90 m/min | 0.02 - 0.08 mm/r | 0.05 - 0.60 mm |
Pro-Tip: US735 vs. NX2525 Cermet
US735 (CVD Carbide): Optimized for toughness. If your stainless steel part has a hexagon, keyway, or requires heavy coolant, use US735. It handles the shock.
NX2525 (Cermet): Use only for dry, continuous finishing of carbon steels. Do not use Cermet on stainless steel as it will react chemically and chip.
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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.