uxcell 13mm Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 250mm Length for Wood Plastic Aluminum

Description: 1. Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life. 2. 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. 3. 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. 4. Please keep it cool and gentle when using it, the correct use can greatly extend the life of the twist drill. 5. For drilling on thin aluminum, copper, wood, PCB board. Not suitable for concrete, masonry and stainless steel. Specification: Material: HSS(High Speed Steel) Flute Type: Spiral Drill Bit Diameter: 13mm / 0.51-inch Flute Length: 150mm / 5.91-inch Shank Diameter: 13mm / 0.51-inch Total Length: 250mm / 9.84-inch Package Content: 1 x Lengthened Drill Bits