Mitsubishi DNMG150412-MS US735 Insert | Tough Stainless Roughing
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DNMG150412-MS US735
Maximum Edge Strength | Anti-Work Hardening | Impact Resistant US735
Designed for High-Feed Reliability
The DNMG150412-MS US735 is the definitive choice for machinists facing unstable turning conditions. If you are searching for a Mitsubishi DNMG150412-MS price that provides long-term ROI, this insert delivers by eliminating catastrophic failures during heavy interrupted cuts on 304 and 316 stainless steel.
US735 Grade (High-Toughness PVD): This is Mitsubishi’s premier PVD-coated grade for tough machining. The US735 grade features a specialized substrate that absorbs vibration and mechanical shock. It is highly resistant to thermal cracking, making it the best PVD coated insert for tough materials like stainless steel and high-temperature alloys.
MS Chipbreaker (Anti-Work Hardening): The MS geometry is a medium-sharp design. Unlike blunt roughing geometries, the MS slices the chip to prevent work hardening in stainless steel. This keeps the material soft for the next pass, extending the life of both your roughing and finishing tools.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DNMG150412-MS | 12.70 mm | 4.76 mm | 1.20 mm |
| Imperial | DNMG433-MS | 1/2" | 3/16" | 0.0472" (3/64") |
Recommended Cutting Parameters
*The 1.2mm radius supports aggressive feeds. Lower the speed (Vc) for heavy interruptions to maximize toughness.
| Material Group | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| 304/316 Stainless Steel | 60 - 120 m/min | 0.20 - 0.45 mm/r | 1.20 - 4.00 mm |
| Alloy Steels (High-Hardness) | 70 - 140 m/min | 0.25 - 0.50 mm/r | 1.50 - 4.50 mm |
Compatible Tool Holders
Ensure maximum rigidity with 15-series 55° diamond tool holders:
Shop DDJNR 15 HoldersPro-Tip: US735 vs. VP15TF
US735 (The Impact Specialist): Mandatory for roughing passes on hex bar, parts with cross-holes, or uneven castings. It prevents the 1.2mm radius from micro-chipping under high-impact.
VP15TF (The Wear Resistant Expert): Switch to VP15TF for continuous CNC turning where high-speed tool life is more important than impact resistance. For most heavy-duty job shop work, US735 is the safer, more reliable grade.
Looking for the best carbide inserts for interrupted stainless steel turning? The Mitsubishi US735 grade vs VP15TF comparison proves that for high-feed roughing, the DNMG 150412-MS reliable medium turning insert is the professional standard. These PVD coated inserts for tough materials excel in harsh conditions. Buy genuine Mitsubishi DNMG 15 series online here for guaranteed heavy-duty performance.
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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.