1-3/4" Hilti drill bits for granite Original Manufactory -- factory price Make OEM ISO9001:2008 ... core drill bits, profile wheel, grinding wheel. > 1-3/4" Hilti drill bits for granite Specification: Freet Diamond Tools –Hilti drill bits ... for granite, marble, concreteSizeDia1-3/4" (45mm)SegmentH7mmThreadMale Thread & Female ThreadThread SizeM14", 5/ ...