Compatible Models

The Bosch HC2129 3/4 In. x 39 In. SDS-plus Bulldog Rotary Hammer Bit is the correct replacement for the following model numbers.

Description

Carbide tipped for long life in tough applications. Centric tip ensures quick starts in concrete. Wear mark alerts user when tip wears beyond ANSI specification. Bit runs cooler thanks to improved flute design.

Benefits
Optimized brazing and hardening process for long life
Proprietary Bosch hardening process results in more holes per bit
15% faster (compared to S4L)
Ideal for anchoring and through-hole applications in concrete
Bosch-made carbide tip is tougher and more durable under heavy loads

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