When it comes to connecting two metal components, threading is essential. This is especially true when dealing with pipes where the transfer of liquids and gases need to be as leak free as possible. In order to ensure that pipes are able to be as effective as possible, the national pipe thread or NPT standards were introduced. Well made threads will help to seal themselves so fluids can be transported with little risk of leaks. In terms of cutting threads, using carbide thread mill NPT cutting tools can be an extremely efficient way to produce accurate threads in seconds.