2-1/2 Hollow Hex Head PlugThe 2 1 2 Hollow Hex Head Plug is a high performance sealing component used in hydraulic and pneumatic systems. It features male threads with an O ring boss (ORB) sealing mechanism, ensuring leak proof connections in high pressure environments. The hollow design allows for fluid drainage, venting, or pressure relief applications, while the hex head enables easy installation and removal with a wrench. Specification Details TYPE Hex Head Plug DESIGN