Mitsubishi DCMT070202 US735 Carbide Insert for Stainless Steel (10pcs)
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DCMT070202 US735
Stainless Steel Specialist | US735 Tough CVD | Precision 55° Diamond
Built for Gummy & Tough Materials
US735 Grade (CVD Coated Toughness): The US735 is Mitsubishi’s premier grade for stainless steel turning. It features a specialized thick TiCN+Al2O3 coating that provides high heat resistance, while the substrate is optimized for interrupted cuts. It excels in preventing the built-up edge (BUE) and chipping commonly found when machining 300-series stainless steel.
DCMT Geometry (Anti-Vibration Design): The 55-degree diamond shape provides high versatility for both facing and longitudinal turning. As a positive rake insert, it peels material away with minimal force, which is critical for maintaining the surface integrity of heat-sensitive alloys.
0.2mm Nose Radius: The "02" radius is designed for finishing passes where accuracy is paramount. Because of the small radius, cutting resistance is shifted axially rather than radially, significantly reducing "chatter" in small boring bars and long, slender workpieces.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT070202 | 6.35 mm | 2.38 mm | 0.20 mm |
| Imperial | DCMT21.50.5 | 1/4" | 3/32" | 0.0078" |
Recommended Cutting Parameters
*The US735 grade thrives in low to medium speed ranges where high toughness is required.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Austenitic Stainless (304/316) | 80 - 160 m/min | 0.03 - 0.12 mm/r | 0.10 - 1.00 mm |
| High-Temp Alloys (Inconel) | 25 - 60 m/min | 0.03 - 0.10 mm/r | 0.10 - 0.80 mm |
Compatible Tool Holders
Maximum performance for internal and external work with SDJCR or SDUCR 07 holders:
Shop 07 Series HoldersPro-Tip: US735 vs. VP15TF
US735 (CVD): Your first choice for heavy-duty stainless machining and interrupted cuts. It has superior impact resistance.
VP15TF (PVD): Better suited for finishing very small parts or when a razor-sharp edge is needed for exotic materials that work-harden easily.
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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.