Heavy Duty Masonry Drill Bit, 300 mm Durable carbide tip for efficient cutting through masonry, light concrete, limestone, and both natural and artificial stone. carbon steel construction provides strength and longevity for demanding drilling tasks. Triangle shank design for grip in drill chucks, reducing slippage and improving torque transfer compared with conventional bits. This stabilizes pressure drilling for enhanced control and precision. Available in multiple diameters: 6 mm, 8 mm, 10 mm, 12 mm, and 16 mm. Versatile for anchors, fixtures, and other masonry applications where precise hole dimensions are required. Compatible with standard drills: fits drills with 013 mm 3jaw chucks, offering broad compatibility with most household and professional power tools. Use scenarios Installing wall anchors in concrete or masonry walls, providing secure mounting for shelves, cabinets, or fixtures. Mounting electrical boxes, brackets, or conduit in stone, limestone, or concrete surfaces. Drilling precise holes for plumbing, wiring, or fasteners through masonry blocks or brick walls.