... , grinding wheel. > 1-3/4" Hilti drill bits for granite Specification: Freet Diamond Tools –Hilti drill bits for granite, marble, concreteSizeDia1-3/4" (45mm ... , ChinaPackagePaper box per pc, in cartonDelivery Time3-5 WORKDAYSFeatureMost Aggressive drill bit for Granite, Marble. ect stoneHigh efficiency, long life, standard holeUse ...