Our Series 9522-H Male BSPP Hollow Hex Plug Adapters, made from high-quality carbon steel, are designed to securely seal male BSPP (British Standard Pipe Parallel) threaded connections in fluid and gas systems. These adapters feature a hollow hex design, allowing for easy installation and removal with a wrench or tool. The BSPP connection utilizes parallel threads and a machined surface for a leak-free seal, ensuring reliable and robust performance in high-pressure environments. Ideal for a wide range of industrial applications, these carbon steel hollow hex plugs are the perfect solution for sealing threaded openings and maintaining system integrity in hydraulic and pneumatic systems. BSPT (British Standard Pipe Tapered) male adapters are compatible with both BSPP and BSPT female ports.