The product is made of high-speed steel. 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 Shank Tool Flute Type: Spiral Twist Drill Bits Diameter: 5.5mm / 0.22-inch Material: High-Speed Steel Shank Diameter: 5.5mm / 0.22-inch Total Length: 160mm / 6.3-inch Drill Bit Length:110mm / 4.33-inch Package Content: 1 Pcs x HSS(High Speed Steel) Straight Shank Twist Drill Bit Notice: Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.

• Twisted Design: Split point tip and twist design increases cutting speed while easily self-centering to prevent movement. The twisted design of the drill bit quickly removes drilled chips, then leaving a smooth hole.
• Notice: Please keep it cool and gentle when using it, the correct use can greatly extend the life of the twist drill.

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