Description: 100% brand new and high quality. Use M2AL lead high speed steel material. High toughness, abrasion resistance, high-speed cutting for the high hardness. Large front angle effectively reduces cutting resistance, durable and convenient for chip removal, further improve machining efficiency. End mill bits are suitable for side milling, end milling, finish machining, etc. Apply to carbon steel, alloy steel, die steel, tool steel, cast iron, titanium, aluminum, etc. Specification: Material: high speed steel (HSS) Length: 92mm /3.6inch Diameter: 16mm/0.6inch Shank: Straight Shank Flute: 4 Flute End Mill Bits Package Includes: 1 Piece 4 Flutes End Mill Cutter