Standar kekaisaran
| Diameter baut | Ukuran Kepala dan Kunci Inggris | |
|---|---|---|
| Hex Bolt - Baut Lag - Baut Persegi | Baut Hex Berat | |
| #6 | 1 / 4 " | - |
| #8 | 1 / 4 " | - |
| #10 | 5 / 16 " | - |
| #12 | 5 / 16 " | - |
| 1 / 4 " | 7/16 ″ atau 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 " |
Standar metrik
| Diameter baut (Mm) | Ukuran Kepala / Kunci Pas (Mm) | |||
|---|---|---|---|---|
| ANSI / ISO | DIN | JIS | DIN / ISO Hex berat | |
| 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 - Institut Standar Nasional Amerika ISO - Organisasi Internasional untuk Standardisasi DIN - Deutsches Institut für Normung JIS - Standar Industri Jepang * Menunjukkan standar ISO. | ||||