Mitsubishi CPMH090308-MV US735 Stainless Steel Turning Insert (10pcs)
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CPMH090308-MV US735
Impact Strength Powerhouse | US735 CVD Toughness | MV Medium-Cut Control
Built for Maximum Stainless Productivity
US735 Grade (The Impact Guard): The US735 is a high-toughness CVD-coated carbide specifically developed for M-Class (Stainless Steel). It is the gold standard for handling interrupted cuts, scale, and unstable machining conditions. The coating provides a thermal barrier that resists the extreme heat of stainless machining while the ultra-tough substrate prevents sudden edge breakage.
MV Chipbreaker (The Versatile Wedge): The MV geometry features an 11-degree positive rake designed to reduce cutting forces. In gummy materials like 316 stainless, the MV breaker aggressively curls and snaps the chip, preventing the "long-string" entanglement that damages parts and tool holders.
0.8mm (1/32") High-Strength Radius: The 08 radius provides a significantly more robust edge than the 04 version. It allows for higher feed rates and deeper cuts, dissipating heat across a wider surface area to extend tool life during heavy semi-finishing.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CPMH090308-MV | 9.525 mm | 3.18 mm | 0.80 mm |
| Imperial | CPMH322-MV | 3/8" | 1/8" | 0.0315" (1/32") |
Stainless Steel Cutting Parameters
*The 0.8mm radius allows for higher feed rates. Always use high-pressure coolant to prevent built-up edge (BUE).
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Austenitic (304/316) | 80 - 160 m/min | 0.10 - 0.28 mm/r | 0.50 - 3.00 mm |
| High Strength (Duplex) | 50 - 110 m/min | 0.08 - 0.22 mm/r | 0.40 - 2.00 mm |
Compatible Tooling Systems
Maximum rigidity is recommended for roughing. Use with SCLC or SCPC series holders:
Shop 09 Series HoldersPro-Tip: US735 vs. US7020
US735 (The Heavy Rougher): Choose this for unstable setups, interrupted cuts, or heavy scale. It prioritize "Not Breaking" above all else.
US7020 (The Smooth Runner): Switch to US7020 for continuous, stable turning at higher speeds to achieve better surface finishes and flank wear resistance.
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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.