In this case it's about the number of strands in thread, this makes them both stronger and looks more filled in.
Plumbing pipe threads are squared and conduit pipe threads are tapered.
Water pipe threads are tapered, electrical pipe is not tapered.
screw thread are single threads which means they are not double
no
NPT = pipe Briggs standard = Pipe NFT and NFC and ASAE = bolt
The threads
Left hand threads and right hand threads differ in the direction in which they are tightened or loosened. Right hand threads are tightened by turning clockwise and loosened by turning counterclockwise, while left hand threads are tightened by turning counterclockwise and loosened by turning clockwise. This difference allows for specific applications where different types of threads are needed for secure fastening.
Left-hand and right-hand threads differ in the direction in which they tighten. Right-hand threads are tightened by turning clockwise, while left-hand threads are tightened by turning counterclockwise. This difference is important when fastening components together to ensure that the threads align properly and the components are securely attached.
A cagoule is more puffy and has threads usually hanging out
It is a table that shows the difference quantity but at different prices.
A rethread kit cleans up damaged existing threads. A tap and die kit makes threads from scratch.
It is spread on the threads of pipe before being screwed into a fitting so that the threads will make a seal. Since pipe threads are not machined to fit together perfectly the paste makes up the difference and is compressed between the grooves on the two halves.