Imperiale standaard
| Boutdiameter | Kop- en sleutelmaat | |
|---|---|---|
| Hex Bolt - Lag Bolt - Vierkante bout | Zware zeskantbout | |
| #6 | 1 / 4 " | - |
| #8 | 1 / 4 " | - |
| #10 | 5 / 16 " | - |
| #12 | 5 / 16 " | - |
| 1 / 4 " | 7/16 ″ of 3/8 ″ | - |
| 5 / 16 " | 1 / 2 " | - |
| 3 / 8 " | 9 / 16 " | - |
| 7 / 16 " | 5 / 8 " | - |
| 1 / 2 " | 3 / 4 " | 7 / 8 " |
| 9 / 16 " | 13 / 16 " | - |
| 5 / 8 " | 15 / 16 " | 1-1 / 16 ″ |
| 3 / 4 " | 1-1 / 8 ″ | 1-1 / 4 ″ |
| 7 / 8 " | 1-5 / 16 ″ | 1-7 / 16 ″ |
| 1 " | 1-1 / 2 ″ | 1-5 / 8 ″ |
| 1-1 / 8 ″ | 1-11 / 16 ″ | 1-3 / 4 ″ |
| 1-1 / 4 ″ | 1-7 / 8 ″ | 2 " |
Metrische standaard
| Boutdiameter (Mm) | Kop / sleutelmaat (Mm) | |||
|---|---|---|---|---|
| ANSI / ISO | DIN | JIS | DIN / ISO Zware Hex | |
| 4 | 7 | 7 | 7 | - |
| 5 | 8 | 8 | 8 | - |
| 6 | 10 | 10 | 10 | - |
| 7 | - | 11 | - | - |
| 8 | 13 | 13 | 12 | - |
| 10 | 16 | 17 | 14 | - |
| 12 | 18 | 19 | 17 | 22 / 21 * |
| 14 | 21 | 22 | 19 | - |
| 16 | 24 | 24 | 22 | 27 |
| 18 | - | 27 | - | - |
| 20 | 30 | 30 | - | 34 / 32 * |
| ANSI - American National Standards Institute ISO - Internationale organisatie voor normalisatie DIN - Deutsches Institut für Normung JIS - Japanse industriële norm * Geeft ISO-norm aan. | ||||