Profile: Tri-State Fasteners Inc. deals with fasteners. Our product line includes nuts, bolts, screws, anchor, abrasives and cutters. We also offer anchor bolts, U-bolts, double & single end rods, turnbuckles, threaded studs, round & square bends, washers, plates and brackets. Our screws includes machine screws, metal screws, gutter screws, self drill screws and socket head cap screws.