3mm 4 Flute HSS Aluminum End Mill Cutter with Super Hard Straight Shank for Cut,with Super Hard Straight Shank for Cut 3mm 4 Flute HSS Aluminum End Mill Cutter,usually used to be assembled on milling machine, 1 x 4 Flute End Mill Cutter, Type: End Mill, 2 The shorter the extension of the cutter, the better, - High speed steel material,high toughness,abrasion resistance,high-speed cutting,Mill cutter, wholesale prices Quality and Comfort Satisfaction Guaranteed on Thousands of Items. Cutter with Super Hard Straight Shank for Cut 3mm 4 Flute HSS Aluminum End Mill.