BOSCH HC4040 7/8 In. x 13 In. Spline Speed-X Rotary Hammer Bit

Product 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.

Amazon.com

Bosch HC4040 spline rotary hammer bits are carbide tipped and fit Bosch as well as other spline hammers. Speed-X combines the life and durability you expect with the fastest hammer carbide drilling speed ever. It performs even better than any other bit in precision anchoring and deep drilling applications.

Tungsten-carbide tip provides superior wear resistance in tough applications
Active-centering tip for optimum guidance when drilling in concrete and reinforced concrete
Large flute volume for fast drilling, dust transport and less clogging
Narrow flute back for reduced friction between bit and material
Inclined side cutters for aggressive drilling
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