ITEM NAME:2.5*6*8*52 mm 3 Flute HSS CNC End Mill Cutter Straight Shank Bit Extended FT 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:2.5*6*8*52mm.High-density polished, lengthened, super hard, wear-resistant, high temperature. Material: HSS. Mainly used in cutting and hook slots.