Square Head Bolts
ASME B 18.2.1 - 2010
Display drawing:
| Screw Thread | 3/8 | ||
| D | 0.375 | ||
| PP | UNC | 16 | |
| Ds | Max | 0.388 | |
| Ds | Min | 0.36 | |
| S | Basic | 9/16 | |
| S | Max | 0.562 | |
| S | Min | 0.544 | |
| E | Max | 0.795 | |
| E | Min | 0.747 | |
| K | Basic | 1/4 | |
| K | Max | 0.268 | |
| K | Min | 0.232 | |
| R | Max | 0.03 | |
| R | Min | 0.01 | |
| B | L≤6 | 1.000 | |
| B | L＞6 | 1.250 | |