1-1/2″ Black Pipe Square Head Plug (Cored) – Male Thread, 150 lb Malleable Iron

This 1-1/2″ black pipe square head plug is designed to terminate or close the end of a threaded black steel pipe. Constructed from durable malleable iron with a black finish, it provides corrosion resistance and mechanical strength in low to medium pressure piping systems. The plug features a square head for easy tightening and removal with a wrench, and a cored design for reduced weight. With male National Pipe Taper (NPT) threads, this fitting is manufactured to ANSI B16.3 dimensional standards and ANSI B1.20.1 thread specifications. Rated for 150 lb service, it is suitable for plumbing, heating, gas, and industrial systems.