Bosch Bulldog HCFC2042 Hammer Drill Bit, 1/4 in Dia, 8-1/2 in OAL, Variable Flute, 2-Flute, 25/64 in Dia Shank

The Bosch SDS Plus Bulldogâ„¢ Xtreme 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 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 Bulldogâ„¢ Xtreme 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.

• Diffusion bonding technology provides stronger carbide bond for a durable, long-lasting bit

• 100% full-carbide head delivers 4X life in concrete with rebar and longer life in all masonry drilling

• Variable flute design, supplies efficient material removal for 25% more holes per charge

• Centric conical tip results in rounder holes for precision anchoring applications

• Wear mark assures hole diameter tolerance for anchoring

• The BULLDOGâ„¢ Xtreme line offers the widest range of full-head carbide bits

• Optimized for heavy-duty and cordless rotary hammers and fits tools with SDS Plus chucks