Standard ASME B18.2.6
The table 3 of ASME B18.2.6 standard covers the ge...

Dimensions in inches (1 inch=25.4 mm) sourceASME B18.2.6 table 3 heavy hex nuts for use with structural bolts | ||||||
d Thread size | Nr. of threads x inch | F nom | G min | H nom | ||
inch | mm | UNC | UNF | |||
1/2 | 12.70 | 13 | 20 | |||
5/8 | ||||||
3/4 | ||||||
7/8 | ||||||
1 | ||||||
1-1/8 | ||||||
1-1/4 | ||||||
1-3/8 | ||||||
1-1/2 |