Extreme Impact Masonry Drill Bits have carbide tips for fast drilling, with an innovative flute design for fast material removal. They have a 1/4" hex shank for use with impact drivers and screwdrivers with bit holder or chuck. Multi-material drill bits suitable for drilling into brick, stone, gypsum, limestone, manufactured artificial stone and wood walls. Supplied in a pocket-sized case. * A carbide tip for fast drilling * An innovative flute design for fast material removal * Quick connection 1/4" hex shank for use with Impact drivers * Quick Material Penetration * Construction Grade Carbide * 100mm Useable Length A multipurpose masonry drill bit from DeWalt that's ready for a wide variety of jobs on site. The carbide tip ensures faster drilling and greater longevity - use it on anything from concrete, brick, wood or plastic to light building materials and multi-layer materials. DeWalt's innovative flute design removes waste material quickly to improve drilling performance and efficiency. Suitable for use with both impact drivers and combi drills, the impact-ready bit has a quick-change hex shank for ease of use.* Drills into masonry, wood, plastics and more* Suitable for use with impact drivers and combi drills* Carbide tip for faster drilling and greater durability* Innovative flute design for fast material removal* Quick connection 1/4" hex shank DeWalt Impact Masonry Drill Bit 6mm Plastic. This DEWALT Impact Multi Material Drill Bit has the following specifications: Diameter: 6.0mm. Overall Length: 78mm. Working Length: 47mm. DEWALT Impact Multi Material Drill Bits for use in impact drivers. Its Carbide head design allows faster drilling and longer durability. Suitable for wood, plastics, concrete, brick, light building materials, multi-layer materials and masonry.This DEWALT Impact Multi Material Drill Bit has the following specifications: Diameter: 6.0mm. Overall Length: 78mm. Working Length: 47mm.