engineering services, fasteners, washers, advertising and information display products and services, screws, cable accessories, bolts and nuts, wire clips, handles, inserts, knobs, latches, nuts, part kitting, rivets, screw and washer assemblies (sems), captive screws, cap head socket screws, thread rolling screws, screw socket caps available from nappco fastener co. based in houston, tx. click the links below to visit our website or contact us via our profile page.