Bosch Tool Corporation Bosch Power Tools HC5010 SDS-max Standard Cutter Head Spiral Drill Bits, 8 in, 1/2 in Dia.

SDS-max Wild-Bore Multi-Cutter X-Head Spiral Drill Bits, 8 in, 1 in Dia.FeaturesSmoother drilling with less vibrationExtends bit life 50%Four chiseling faces and cutting edges double chiseling action...

SDS-max Wild-Bore Multi-Cutter X-Head Spiral Drill Bits, 8 in, 5/8 in Dia.FeaturesSmoother drilling with less vibrationExtends bit life 50%Four chiseling faces and cutting edges double chiseling...

SDS-max Wild-Bore Multi-Cutter X-Head Spiral Drill Bits, 18 in, 2 in Dia.FeaturesSmoother drilling with less vibrationExtends bit life 50%Four chiseling faces and cutting edges double chiseling...

SDS-max Wild-Bore Multi-Cutter X-Head Spiral Drill Bits, 16 in, 1 in Dia.FeaturesSmoother drilling with less vibrationExtends bit life 50%Four chiseling faces and cutting edges double chiseling...

SDS-max Wild-Bore Multi-Cutter X-Head Spiral Drill Bits, 8 in, 7/8 in Dia.FeaturesSmoother drilling with less vibrationExtends bit life 50%Four chiseling faces and cutting edges double chiseling...