The Bosch HC2064B25 Bulldog SDS-Plus® Rotary Hammer Bit delivers extended performance in reinforced concrete applications, lasting up to 1.5x longer than standard Bosch SDS plus-1 bits. Engineered with premium tungsten carbide construction, this 3/8" diameter bit withstands demanding drilling conditions while its 4-cutter head design cuts through rebar with precision. The 4-flute geometry optimizes dust extraction, maintaining visibility and reducing cleanup time on job sites. At 12" length, it accommodates deeper penetration requirements. This 25-pack provides reliable, durable bits for contractors and professionals tackling heavy-duty concrete work.