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2 Flute End Mill Solid Carbide End Mill with 55 / 60 / 65 HRC Description 1, Combine big load chip groove, very sharp cutting edge compared with spiral flutes, can greatly improve production efficiency and quality. 2, Select superior quality imported tungsten steel carbide materials; fine polishing processing. 3, Smooth clean cutting, without burrs; Not easy to warp during processing. We use 100% original raw material, the micro grain tungsten carbide powder and cobalt powder