Mitsubishi DNMG150408-MA US735 Insert | Interrupted Stainless Steel Cut
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DNMG150408-MA US735
Impact Specialist | High-Toughness US735 | MA Stable Chipbreaking
Conquer Interrupted Cuts and Scale
US735 Grade (The Tough PVD Choice): The US735 grade is legendary for its ability to survive mechanical shock. It features a specialized PVD coating over a unique, high-toughness carbide substrate. This combination is specifically engineered to handle Interrupted Cuts (turning hex, holes, or splines) and Heavy Scale on Stainless Steel where other grades would fracture.
MA Chipbreaker (Medium-Cut Reliability): The MA geometry provides a balanced rake angle. It is designed to be sharp enough to prevent "work-hardening" of stainless steel, yet robust enough to protect the edge from the heavy pressure of a 0.8mm radius. It curtails long, "bird-nest" chips, ensuring operator safety and part quality.
0.8mm Radius (Production Strength): The "08" (1/32") radius is the industry standard for semi-roughing and general production. It offers maximum edge security, allowing for higher feed rates and deep depths of cut without sacrificing the integrity of the tool tip.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DNMG150408-MA | 12.70 mm | 4.76 mm | 0.80 mm |
| Imperial | DNMG432-MA | 1/2" | 3/16" | 0.0315" (1/32") |
Recommended Cutting Parameters
*US735 is optimized for toughness. Avoid excessive speeds to prevent thermal deformation.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| 304/316 Stainless Steel | 60 - 130 m/min | 0.12 - 0.35 mm/r | 0.80 - 3.50 mm |
| High-Temp Alloys (Inconel) | 25 - 55 m/min | 0.10 - 0.25 mm/r | 0.50 - 2.50 mm |
Compatible Tool Holders
Maximum rigidity for the 15-series 55° diamond pocket:
Shop DDJNR 15 HoldersPro-Tip: US735 vs. VP15TF
US735 (The Heavy-Hitter): Essential for manual lathes or CNC machines doing roughing passes on castings, hex bars, or parts with keyways. It avoids "catastrophic failure."
VP15TF (The Precision Speedster): Switch to VP15TF for continuous finishing passes in high-speed CNC environments. It is harder and holds a sharper edge longer, but it is less forgiving of impact.
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This Mitsubishi insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.