Bosch HCFC2011B25 3/16-Inch by 4-Inch by 6-1/2-Inch SDS Plus X5L Drill Bit

The Bosch SDS-plus Bulldog extreme rotary hammer bit provides 4X life in concrete with rebar, due to its 100% full-carbide tip design and proprietary diffusion-bonding technology. Diffusion bonding's high-heat, high-pressure solid-state welding produces an incredibly strong bond. In internal tests, these bits delivered 4X life in concrete with rebar than a standard SDS-plus bit. The Bulldog extreme bit provides 25% more holes per charge, with an upgraded variable flute design four flutes transition to two flutes for fast dust removal. Its centric conical tip results in rounder holes for precision anchoring and it has a wear mark that helps to assure accuracy of the hole.