Compatible Models

The Bosch 1 In.x 29 In. Spline Speed-X Rotary Hammer Bit - HC4052 is the correct replacement for the following model numbers.

Description

Bosch brings constant innovation to concrete and masonry drilling. Bosch developed custom-manufactured carbide and diffusion bonding technology to provide better performance and durability. Speed-X™ delivers high performance in precision anchoring and drilling applications.

Benefits
Tungsten-carbide tip provides superior wear resistance in tough applications
Optimized brazing and hardening process for long life
Patented four-cutter tip design that provides optimal performance
Large flute volume for fast drilling, dust transport and less clogging

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