Hot dipped galvanized carbon steel socket with full thread material:carbon steel Size:1/8"- 6" ... :5000 Pcs,OEM is welcomed, Hot dipped galvanized carbon steel socket Place of Origin: China high quality steel pipe nipples, steel ... meters, malleable iron pipe fittings, air hose coupling, claw coupler, double bolt hose clamp, butt-welded steel pipe fittings, carbon steel ...