Mitsubishi CPMH090304-MV UE6020 Steel Turning Insert (10pcs)
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CPMH090308-MV UE6020
High-Strength Steel Specialist | UE6020 CVD Barrier | MV Reliable Chipbreaking
Engineered for Performance and Durability
UE6020 Grade (Steel Specialist CVD): The UE6020 is Mitsubishi's premier grade for P-Class (Steel). It is designed to thrive in the medium-to-low cutting speed range, where thermal stability and edge toughness are paramount. The thick CVD coating provides a sacrificial barrier against crater wear, ensuring the carbide substrate remains intact during heavy roughing or interrupted cuts.
MV Chipbreaker (Wide-Range Medium Cut): The MV chipbreaker is the "universal" choice for positive inserts. It is specifically designed to handle "voluminous" chips. By forcing the chip into a tight radius, the MV geometry ensures that long, stringy chips—common in carbon steels—break into manageable pieces, protecting the tool holder and the workpiece.
0.8mm (1/32") High-Strength Radius: The 08 radius is the "productivity" radius. It allows for significantly higher feed rates compared to the 04 version, making it ideal for removing material quickly while maintaining a robust cutting edge that resists chipping in unstable setups.
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") |
Heavy Steel Cutting Parameters
*The 0.8mm radius thrives at higher feed rates. Use high-volume coolant to prevent heat buildup on the tool flank.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Low Carbon Steel (1018/1045) | 130 - 260 m/min | 0.12 - 0.35 mm/r | 0.50 - 3.00 mm |
| High Alloy Steel (4140/4340) | 100 - 190 m/min | 0.10 - 0.28 mm/r | 0.40 - 2.50 mm |
Compatible Tool Holders
Maximum rigidity is recommended for the 09 size. Fits SCLC or SCPC series holders:
Shop 09 Series HoldersPro-Tip: UE6020 vs. NX2525
UE6020 (The Impact Choice): Use this as your primary grade for steel roughing and interrupted cuts where the tool must endure mechanical shock.
NX2525 (The Finish Choice): Switch to NX2525 Cermet only when you transition to high-speed finishing and require a superior surface luster.
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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.