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GME-UPN210 Breaker End Mill Description
The GME210 corrugated tooth roughing end mill is an innovative tool designed for heavy-duty roughing. It adopts a patented corrugated edge design and is suitable for efficient and large-residue cutting of materials such as steel, cast iron, and stainless steel. Its unique corrugated tooth structure can significantly reduce cutting resistance and improve metal removal rate, making it an ideal choice for heavy industrial fields such as mold manufacturing and energy equipment.

GME-UPN210 Breaker End Mill features
●Suitable for semi-finishing and rough machining of ordinary steel and cast iron materials (≤48HRC), with high metal removal rate;
●GU type fine-grained matrix with AlCr series high-performance nano coating, achieving a perfect combination of high wear resistance and high toughness.
●Adopting a special chip breaker tooth design, short chips are generated during the machining process, and the chip removal is smooth, achieving high-quality and stable machining.
●Adopting a unique, large R groove design to achieve good chip removal performance.
Design features of GME-UPN210 Breaker End Mill
The NF-type chip-breaking coarse tooth design is suitable for semi-finishing grooves and sidewalls in steel.
The unique, large R-shaped groove bottom design provides ample chip space, low cutting resistance, and smooth chip evacuation, achieving exceptional chip evacuation performance.
The widened circumferential land design ensures excellent chip evacuation while maintaining cutting-edge strength during roughing.

GME-UPN210 Breaker End Mill Processing Materials
| Workpiece Material | ||||||
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| 1234 | 5 | 123 | 123 | 123 | 4 | 5 |
| Carbon steel, alloy steel (<35HRC) |
Alloy steel (less than 48HRC) |
Stainless steel | cast iron | Aluminum alloy | Copper alloy | Graphite |
| ◎ | ○ | ○ | ◎ | ○ | ○ | |
◎ Best for ○Suitable
GME-UPN210 Breaker End Mill
The GME-UPN210 breaker end mill i breaker end mill iis designed end mill ich as aerospace, automotive, and mold manufacturing. It is particularly effective for milling Clasclass p steel and other tough materials, offering high precision, reliable chip removal, and exceptional surface finish quality in both roughing and finishing stages.
GME-UPN2100 Processing Case (Electromagnetic Chuck)

| Item | Parameter |
|---|---|
| Tool Model | GME-UPN210-S4-10025 |
| Tool Specification | D10C0.325*75*d10 |
| Workpiece Material | 45 Steel (HB220) |
| Cutting Speed | Vc=172.7 m/min |
| Feed Rate | fz=0.027 mm/z |
| Cutting Depth | ap=6mm, ae=10mm |
| Cooling Method | Emulsion |
| Machining Type | Slot Milling |
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