Hexagon Nipple : We offer high quality hexagon nipples for straight pipe with male threads on both ends. These fittings are used as connector to allow pipe to be connected to a water heater or other plumbing. Each nipple is produced with precision tooling, which guarantees 100% accuracy. Our range of hexagon nipple is available in different specifications for application in different conditions. Half Coupling: We offer ready install socket weld half coupling that creates a straight transition across the inside surface of the coupling system. These couplings are specially treated to inhibit corrosion, ideal for welding. Our range of half couplings are easy to connect and can withstand high pressure. They can be availed in variety of specifications at the most reasonable prices.