Bosch HC5099
Bit worked great. Drilled 20 inches in granite in about 20 minutes with little pressure or stopping. Produces very fine dust and self cleans down to about 12 inch depth. (Then you need to pull out the drill periodically.See all 1 customer reviews... Includes SDS-max 2"D 18" Rotary Hammer Bit - HC5099
Bosch HC5099 Creates
Bosch HC5099 true round holes for anchors
Bosch HC5099 Narrow flute back for
Bosch HC5099 reduced friction between bit and material ... »»
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