The Bosch HC2104 Bulldog SDS-Plus Rotary Hammer Bit is a purpose-built concrete bit designed for anchoring and through-hole applications. With a Bosch-made carbide tip and an optimized brazing and hardening process, it’s engineered for durability under heavy loads and consistent performance on the job.
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This bit is designed to drill faster (15% faster compared to S4L) while helping you get more holes per bit thanks to Bosch’s proprietary hardening process—making it a solid pick for contractors and serious DIYers who want dependable results in concrete.
Optimized brazing and hardening process for long life
15 percent faster (compared to S4L)
Bosch-made carbide tip is tougher and more durable under heavy loads
Proprietary Bosch hardening process results in more holes per bit
Ideal for anchoring and through-hole applications in concrete
Quick specs: 5/8 in. (15.88 mm) cutting diameter, 12 in. length, SDS shank, 4-flute spiral design, black oxide finish, 135° split point.
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