Hexagon Head Bolt
Whitworth ASA-B 18.2.1
Sizes
W: 1/4" - 3/4"
L: 5/8" - 6"
Quality
5,8 - 6,8 - 8,8 - 10,9
| p unc | p unf | k | s | b | |
|---|---|---|---|---|---|
| 1/4" | 20 | 28 | 4,14 | 11,11 | 19 |
| 5/16" | 18 | 24 | 5,35 | 12,7 | 22 |
| 3/8" | 16 | 24 | 6,17 | 14,28 | 25,4 |
| 7/16" | 14 | 20 | 7,39 | 15,87 | 28,5 |
| 1/2" | 13 | 20 | 8,20 | 19,05 | 31,7 |
| 9/16" | 12 | 18 | 9,42 | 20,63 | 35 |
| 5/8" | 11 | 18 | 10,23 | 23,81 | 38 |
| 3/4" | 10 | 16 | 12,26 | 28,57 | 44,5 |
