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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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.