Compatible Models

The Bosch HC4091 1-1/2 In. x 21 In. Spline Speed-X Rotary Hammer Bit is the correct replacement for the following model numbers.

Description

Bosch brings constant innovation to concrete and masonry drilling. The product's tungsten-carbide tip provides superior wear resistance in tough applications. Resists extreme loads while its efficient design helps enhance the power of the hammer for more effective performance.

Benefits
Tungsten-carbide tip provides superior wear resistance in tough applications
Active-centering tip for optimum guidance when drilling in concrete and reinforced concrete
Patented four-cutter tip design that provides optimal performance
Inclined side cutters for aggressive drilling
Large flute volume for fast drilling, dust transport and less clogging

Reviews