The TB model features an extra 0.6" on the barrel, and external threads to accept a suppressor.

The major diameter listed is the outer diameter of the external thread.

The process can be done to create external or internal threads (male or female).

It is a nut that has a domed top to prevent contact with the external thread.

The standard Presta valve has an external thread.

Cutting external threads on a rod is done with a die.

Threading: A tool is fed along and across the outside or inside surface of rotating parts to produce external or internal threads.

Before twisting the pieces together, the external threads should be sealed with joint compound or Teflon pipe tape.

Every matched pair of threads, external and internal, can be described as male and female.