ITEM NAME:3*6*8*52mm 3 Flute HSS CNC End Mill Cutter Straight Shank Bit Extended OHK Features: High-density polished, lengthened, super hard, wear-resistant, high temperature. Mainly used in cutting and hook slots. Application materials: mold steel, cast iron, carbon steel, alloy steel, tool steel. Specification: 100% brand new Material: HSS Size:3*6*8*52mm.High-density polished, lengthened, super hard, wear-resistant, high temperature. Material: HSS. Size:3 6 8 52mm. Mainly used in cutting and hook slots.