A hole is nothing. Or more precisely, it’s the absence of something—wood, metal, concrete, or any number of different materials. Since holes are nothing, why do we care about them and how to make them ...

Compatiable with all SDS-plus rotary hammers, Bosch Power Tools' Bulldog Xtreme8 8-cutter SDS-plus concrete drill bits and the Blue Xtreme carbide-tipped drill bits includes either the PowerGrip Shank ...