The product is made of high-speed steel, and the surface is plated with titanium.Smooth surface finish, long service life.Suitable for wood, malleable iron, aluminum, plastic etc.Great replacement for your dull drill bit to improve work efficiency.Straight shank design is more suitable for many electric drills (here is not included).Specification:Shank Type: Round ShankTool Flute Type: SpiralRock Well Hardness Grade: 63-66 HRCType: N Type 120 °Twist Drill Bits Diameter: 3.9mm/0.15inchMaterial:M2 (High-Speed Steel6591)Shank Diameter: 3.9mm/0.15inchTotal Length: 75mm/2.95inchDrill Bit Length: 36mm/1.42inchPackage Content:2 Pcs x High-Speed Steel Twist Drill BitNotice:Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.
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