High Quality Custom Male Hydraulic Nipple End Fittings Yuyao Tonghui Metal Conduit Part Factory Base Info Standard:GBMaterial:Carbon Steel ,Stainless Steel,BrassConnection:MaleSurface Treatment:Galvanized SheetHead Type:Hexagon Description Pre:Hydraulic SUS/Carbon Steel Bulkhead Straight Nipple, Galvanized Male Pipe Fittings Next:Jic an Male Nipple, Hydraulic Hose Nipple Fittings, Pipe Nipple