Bosch offers a full line of carbide bits， carbide cores and steel points and chisels for hammer drills， rotary hammers and demolition hammers. Bosch HC2011B25 \"S4\" - SDS-Plus Shank Bit (CT) 3/16 in. x 4 in. x 6 in. (25-Pack) Bosch Power Tools and Accessories is one of the divisions within the Robert Bosch Tool Corporation， which is one of the largest power tool and accessory manufacturers in the world. Bosch provides a complete line of corded and cordless power tools and accessories engineered to survive any jobsite and allow professionals to take control of their work. Bosch HC2011B25 \"S4\" - SDS-Plus Shank Bit (CT) 3/16 in. x 4 in. x 6 in. (25-Pack) Features: Bosch SDS-Plus S4 rotary hammer bits feature a patent-pending 4-flute design for fast dust removal SDS-Plus S4 Rotary Hammer Bits.

15% faster in concrete (compared to S4L)

Optimized brazing and hardening process for long life

Optimized flute design to reduce bit stress and make the bit run cooler

Centric tip for optimal hole geometry