The DEWALT DD5008 1/8-Inch Impact Drill Bit is designed to be used in a 1/4" Hex Shank Impact Drivers to drill holes from 1/8" to 1/2" holes in metal, wood, or plastic. Ground from solid 1-piece design makes this up to 5 times more durable than the current 2-piece conventional product. A patented web taper increases the rigidity of the bit to decrease the potential for bit breakage. Also, the patented Pilot Point ® tip (3/16” -1/2”) allows users to drill holes faster than the conventional split point product and offers clean burr free holes with reduced bit walking. Common users include Electricians, HVAC, Mechanicals, Electricians, Glaziers and GC's.