HRC55 Roughing End Mills 4 Flute

Raw material: Zigong ZK30UF, high hardness, good wear resistance.

Coating: TiSiN，containing silica, very high surface hardness and high thermal resistance.

Product Design: Sharp wave and 35 helix angle design improve the chip removal capacity,widely used in slot, profile, roughing milling.

Workpiece Material：Die casting steel,general steel, cast iron, mould steel, nickel alloy, aluminum alloy, copper alloy, 45# steel, etc.