Inch
Number of threads per inch
Diameter (inches) | Threads per inch | Type | ||
3/4 | – | 10 | = | Coarse |
3/4 | – | 16 | = | Fine |
Metric
Distance between crests of adjacent threads
Diameter (mm) | Distance (mm) | Type | ||
M8 | X | 1.25 | = | Coarse |
M8 | X | 1 | = | Fine |