Lasts up to 2x longer than a Bosch PointTeQ Drill Bit Need durable drill bits to start drilling with no need for pilot holes? Try these PRO Metal HSS-G Twist Hex Drill Bits. They will help you drill effectively and start holes exactly where you need them. PRO Metal HSS-G bits are a great choice for construction workers and installers who need durable metal drill bits to drill in alloyed and unalloyed steel, non-ferrous metals, cast iron, plastics, and wood. We made them from premium high-speed steel and ground them for strength, resistance to heat, and precision. We added a split-point tip to help you start holes precisely. Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼" internal hex tool holders Tested in Bosch labs according to Bosch standard procedures. Features and Benefits: • Lasts up to 2x longer than a Bosch PointTeQ Drill Bit • Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼" internal hex tool holders • For drilling in metal, eg when pre-drilling for anchors, rivets, and threads or drilling in steel beams for installations, and fixtures • Highly efficient for construction workers and installers: Long Life Specifications: Diameter mm: 2.0; 3.0; 4.0; 5.0; 6.0 Working length mm: 24; 33; 43; 52; 63 Total length mm: 61; 73; 82; 98; 105