Attributes:* Twist Drill Bits Diameter: 9.5mm / 0.37-inch* Drill Bit Length: 155mm / 6.1-inch* Shank Diameter: 9.5mm / 0.37-inch* Total Length: 200mm / 7.87-inch* Rock Well Hardness Grade: 63-66 HRC* Material: High-Speed Steel 6542What Is Included:* 2 Pieces 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.
eBay