brass pipe fittings, end plug, DN15, DN20, DN25, forged brass CW614, CW617n, CW719, nickle plated Brass forged pipe plug, A-8611 model, DN15, DN20 and DN25, BSPP threaded, ISO228 parellel thread or NPT thread. Suitable for connecting pipes in water and gas supply system Material optional: brass (HPb57-3A, HPb58-3A, HPb59-1A or customized brass rod, steel, ironProcess: cold cut, hot forge,Surface ...