The long threads are called the warp and the shorter cross threads are called the weft.
What are the fine threads in a clothes called?
2009 Triple Threads Baseball cards Release DateThe 2009 Triple Threads Baseball cards Release Date was 09/28/2009
The tool for cutting internal threads is called a tap. A tool for cutting external threads is called a die.
Threads that go the width are the 'weft' threads that go the length are the 'warp'
The length of the metal threads at the end of a spark plug is called the "reach".
It is called simply "threads per length" . In US it is threads per inch. It is the reciprocal of the pitch. For example a screw with 32 threads per inch has a pitch of 1/32 inch. The pitch is distance between threads
Metric threads are called that way, because you measure the distance between the threads (at the highest point), in millimeters., As opposed to SAE (standard), which are measured by the number of threads in an inch.