Reducing Hex Nipple, Hose and has male National Pipe (NPT) threaded connectors cone. This hex nipple reduces connection has a threaded end smaller than the other for connecting two pipes of different diameters, and it has a hexagon head bolt for increased support surface when adjusting the connection with a key. It has female threaded male NPT to connect to tubing, creating a better seal tight to discussions upright. Pipe fittings are components that are used for the call, ending, controlling flow, and changing the direction of piping in many different industries. At the time of purchase of pipe fittings, consider the gradual application, as it has an impact on the type of material, shape, size and durability required. The threaded fittings are available or not, in many forms, styles, sizes and schedules