- EK Fastener, Inc. carries fasteners, bolts, rods, nuts, screws, hinges, washers, couplings and custom hardware specializing in the Shipyard industry, Construction, Elevator Industry and Electronic Hardware manufacturers and assemblers. br br EK Fastener, Inc. br 57 Newark Avenue, Staten Island, NY. 10302 br Tel No: 718-720-2426 br Email Id: info@ekfastener.