the number of threads per inch and the symbol identifying the thread type. Thus, a tap or die marked 1/4-20 NC cuts threads for a 1/4-inch-diameter screw or bolt with 20 coarse threads per inch.

The design centers around an inch-metric thread adapter ... Try an M5 to 10-32 adapter for about 6 microns per revolution! While we’ve seen different thread pitches used for fine positioning ...

Kozak Micro Adjusters is a leader in the manufacturing of high-end, extremely-fine pitch manual adjusters, with standard pitches ranging from 80 to 254 threads per inch and custom pitches up to 508 ...