We called 45 Deg Threaded Elbow, 90 Deg Threaded Elbow, Threaded Tee, Threaded Coupling, Threaded Cap, Square Head Plug, Hex Head Plug, Round Head Bushing, Hex Head Bushing, Flushing Bushing, Hexagonal Nipple and Swaged Nipple as Threaded Steel Pipe Fittings. read more →