Standardmäßig ASME B18.2.6
| 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 | ||||||