For water pipe joint with external threadZinc alloyDie - cast material, surface galvanized, sand, orChrome plated; Compact structure, no pores, high strength. Sleeve type water pipe joint can connect the steel pipe and hose without thread, save the procedure of wire sleeve, just screw in can; Compact structure and high strength. The self-fixing water pipe joint can connect the steel pipe without thread or the equipment outlet without thread with the hose, eliminating the process of wire nesting; Made of zinc alloy die casting, table Zinc plating, sand grinding, or chrome plating; Compact structure and high strength. Widely used in high-end buildings, hotels, hospitals, buildings, stadiums, museums, institutions, villas, residential areas.