GEK 4F 5.0xD5x20x100 65

Description

Engineered for durability and precision, our 65 HRC 4 Flute End Mills are manufactured from AK46-grade ultra-fine carbide with 10% cobalt content and a grain size of 0.6μm. With 92.3 HRA hardness, TRS 3800 MPa, and Blue Nano coating, these tools offer excellent wear resistance and performance during high-speed CNC operations. The 35° helix angle ensures smooth chip evacuation, making them perfect for machining carbon steel, alloy steel, and cast iron up to HRC60.