Specifications: Material: HSS-AL Cutting Diameter: 22mm / 0.87" Shank Diameter: 20mm / 0.79" Cutting Length: 38mm / 1.5" Overall Length: 104mm / 4.1" Number of Flutes: 4 Package Content: 1 x Straight End Mill Cutter, 1 x Plastic Box Description: 1.Suitable for CNC data processing center, carved, high-speed machines. Apply to carbon steel, soft alloy steel, die steel, tool steel, cast iron, titanium, aluminum, etc. 2.With high bending resistance and abrasion resistance, exclusive to HIGH HARDNESS, HIGH SPEED CUTTING applications. 3.Sharp and durable, convenient for chip removal, further improve machining efficiency. 4.Make sure work piece and machine are stable,use hydraulic chucks, collet chucks,or shrink fit chucks. 5.Please adjust the speed, feed and cutting depth according to actual cutting conditions.