... 3/8 to 2 inch CW614n, CW617n, steel, Brass Pipe Fittings, male thread Equal Elbow1. BSP/ISO228 parellel thread ... Process: cold cut, hot forge,8. Surface: nickle, chrome, brass natural, zinc, HDG9. Connection type: thread (BSP, NPT), flange, welding10. ... or customized threaded pipe fittings and connector, PEX fittings, PEX-AL-PEX fittings, gardening hose couplings, both brass forged and steel forged, ...