MEDIDAS ESTÁNDAR DE LLAVE DE APRIETE PARA TORNILLOS
| Diámetro Tornillo (mm) | Distancia entre caras del hexágono WAF (mm) |
|||
| ANSI/ISO | DIN | JIS | DIN/ISO Heavy 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 - International Organization for Standardisation DIN - Deutsches Institut fur Normung JIS - Japanese Industrial Standard * Indica ISO standard. |
| Diámetro Tornillo | Distancia entre caras | |
| Hex Bolt Lag Bolt Square Bolt |
Heavy Hex Bolt | |
| #6 | 1/4" | - |
| #8 | 1/4" | - |
| #10 | 5/16" | - |
| #12 | 5/16" | - |
| 1/4" | 7/16 or 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" |