Profile: G & W Mfg., Inc. supplies precision machined components to commercial, extrusion and defense. Our product line includes single/segmented screw elements and kneading blocks. Our parts include screw tips, vent plugs, shafts, dies, heads and complete assemblies. We also produce grinder parts for powder coating industry that include rotors, hammers, baffles, liners, hubs and shafts.