Attributes:* Drill Bit Diameter: 8mm / 0.31-inch* Drill Bit Length: 162mm / 6.38-inch* Shank Diameter: 8mm / 0.31-inch* Total Length: 250mm / 9.84-inch* Rock Well Hardness Grade: 63-66 HRC* Material: High-Speed Steel 6542What Is Included:* 1 Piece x Twist Drill Bit Applications & Features:--- The high-speed steel drill bits can be used with various power tools such as electric drills, hand drills and impact drills, and are suitable for a variety of materials, including stainless steel, aluminum alloys, iron, copper, brass and other metal materials.--- The spiral flute design enables efficient chip removal during drilling, reducing clogging and heat build-up.--- The drill bit is made of high-speed steel, with high hardness, heat resistance, wear resistance, and durability.
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