A pipe threading machine is a specialized device used in the plumbing and construction industries to create threads on the ends of pipes. These threads are essential for securely connecting pipes together using threaded fittings or couplings, ensuring a leak-resistant and stable joint. The machine operates by securing the pipe in place and then using rotating dies to cut threads onto the pipe's surface accurately and uniformly. 

Pipe threading machines come in various sizes to accommodate different pipe diameters and thread specifications. They are commonly utilized in commercial and industrial applications, including water supply systems, gas pipelines, and plumbing installations, where precise and reliable pipe connections are crucial for the proper functioning and safety of the infrastructure. The use of pipe threading machines enhances efficiency, reduces installation time, and ensures consistent, high-quality threaded connections.