Profile: Ohio Industrial Supply, Inc. is a supplier of fasteners and tools. Our products include hex, nylon insert, jam, wing, cap, flange, square & coupling nuts, flat, fender, split lock, external tooth lock, internal tooth lock, square, dock and finishing washers. We offer basic fasteners such as wood, machine, sheet metal, self drilling & socket screws and bolts such as hex, carriage, eye & lag bolts.