Mitsubishi CNMM190624-HX UE6020 Heavy Duty Roughing Insert (10pcs)
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CNMM190624-HX UE6020
Extreme Metal Removal | UE6020 Toughness | HX Heavy-Duty Geometry
Built for the Largest Steel Machining Tasks
UE6020 Grade (The Steel Shield): The UE6020 is a specialized CVD-coated grade designed for the stable machining of P-Class (Steel). It features a multi-layer coating that provides excellent plastic deformation resistance and superior adhesion resistance. This grade is the industry standard for roughing large forgings, shafts, and heavy plates where reliability is more important than pure speed.
HX Chipbreaker (Heavy Roughing Power): The HX geometry is one of Mitsubishi's most robust breakers. It is engineered for High Feed (HX = Heavy X-treme) applications. The reinforced cutting edge and large chip pocket allow for massive depths of cut without the risk of insert breakage, even when encountering heavy scale or "black skin" on raw material.
2.4mm (3/32") Maximum Radius: The huge 24 radius is designed to dissipate heat and handle extreme radial pressure. This radius provides the strongest possible corner for an insert, making it almost immune to corner chipping during violent interrupted cuts.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CNMM190624-HX | 19.05 mm | 6.35 mm | 2.40 mm |
| Imperial | CNMM646-HX | 3/4" | 1/4" | 0.0945" (3/32") |
Extreme Roughing Parameters
*The HX breaker requires high horsepower machines. Ensure workpiece clamping is ultra-secure due to high cutting forces.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (1045) | 120 - 280 m/min | 0.40 - 0.90 mm/r | 3.00 - 10.00 mm |
| Alloy Steel (4140) | 100 - 220 m/min | 0.35 - 0.80 mm/r | 2.50 - 8.00 mm |
Heavy-Duty Holders Only
Standard CNMG holders will NOT fit. This 19mm insert requires DCLNR/L 16 or PCLNR/L 16 (Metric 2525/3232) holders:
Shop Heavy Roughing HoldersPro-Tip: UE6020 vs. MC6025
UE6020 (The Classic Rougher): Excellent for heavy, slow roughing on machines with lower RPM but high torque. Great for interrupted cuts.
MC6025 (The Modern Nano-Tech): Switch to MC6025 if you want to increase surface speed (Vc) on newer CNC machines while maintaining edge toughness.
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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.