Profile: R & D Screw Products, Inc. fabricates a wide range of screw machine products. We are accredited with ISO 9001:2000 certification. We offer screw machine capacity from 1/16" to 1 5/8". We also provide a wide variety of secondary operations such as broaching, milling, thread rolling, drilling and tapping. Our products include shafts, pins, fittings, bushings, threaded and tapped parts as well as small assemblies. Our parts are made from a variety of materials that include brass, aluminum, stainless steel, plastics and cold drawn steel.