uxcell 12mm Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 304mm Length for Wood Plastic Aluminum

Specification: Drill Bit Diameter: 12mm / 0.47-inch; Flute Length: 183mm / 7.2-inch; Shank Diameter: 12mm / 0.47-inch; Total Length: 304mm / 11.97-inch; 1 x Lengthened Drill Bits, High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life., Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient., 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.