Eccentric Four-Edge Serrated Drill Bits 1/4 Shank High Hardness Steel Metal Drill For Brick

This adopts a four blade serrated design, which can effectively improve the drilling speed and is suitable for hard materials such as ceramic tiles, cast iron, and concrete, achieving rapid and accurate drilling effects, saving time and effort. We offer four different diameters of 6mm, 8mm, 10mm, and 12mm to meet the needs of users in various construction scenarios and flexibly respond to drilling tasks with different apertures. Using a standard hexagonal handle to ensure compatibility with the electric drill, easy installation and secure fixation, avoiding slipping during use and improving operational safety. Eccentric Four-Edge Serrated Drill Bits 1/4 Shank High Hardness Steel Metal Drill For Brick Features: This adopts a four blade serrated design, which can effectively improve the drilling speed and is suitable for hard materials such as ceramic tiles, cast iron, and concrete, achieving rapid and accurate drilling effects, saving time and effort. We offer four different diameters o