Bolt Wrench Size (in)
Bolt Wrench Size (in) | ||||
|---|---|---|---|---|
| Bolt
Size | Wrench Size | |||
| Hex Bolt,
Lag Bolt, and Square Bolt | Heavy
Hex Bolt | |||
| #0 | - | - | ||
| #1 | - | - | ||
| #2 | - | - | ||
| #3 | - | - | ||
| #4 | - | - | ||
| #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 | ||
| 1 3/8 | 2 1/16 | 2 9/16 | ||
| 1 1/2 | 2 1/4 | 2 3/4 | ||
| 1 3/4 | 2 5/8 | 2 15/16 | ||
| 2 | 3 | 3 1/8 | ||
| 2 1/4 | 3 3/8 | 3 1/2 | ||
| 2 1/2 | 3 3/4 | 3 7/8 | ||
| 2 3/4 | 4 1/8 | 4 1/4 | ||
| 3 | 4 1/2 | 4 5/8 | ||
| 3 1/4 | 4 7/8 | 5 | ||
| 3 1/2 | 5 1/4 | 5 3/8 | ||
| 3 3/4 | 5 5/8 | 5 3/4 | ||
| 4 | 6 | 6 1/8 | ||