... > 1-3/4" Hilti drill bits for granite Specification: Freet Diamond Tools –Hilti drill bits for granite, marble, concreteSizeDia1-3/4" ( ... per pc, in cartonDelivery Time3-5 WORKDAYSFeatureMost Aggressive drill bit for Granite, Marble. ect stoneHigh efficiency, long life, standard ... grinding cup wheel, finger bits, profile wheel.we make OEM for you, Good serviceContactMs.Maggie ( sale13 AT freet-tools.com ...