... PEX coupling 16mm forged brass CW614, CW617n Brass forged PEX pipe fittings, coupling, A-8608, threaded connector DN15, DN20 and DN25 ... ironProcess: cold cut, hot forge,Surface Treatment: nickle, chrome, brass natural, zinc, HDGConnection type: thread (BSP, NPT), weldingStandard: ... pipe fittings and connector, PEX fittings, PEX-AL-PEX fittings, gardening hose couplings, both brass forged and steel ...