Hexagon Head Bolts-black
ASME B 18.2.1 - 1996
Display drawing:
| Screw Thread | 1/4 | ||
| D | 0.25 | ||
| PP | 20 | ||
| Ds | Max | 0.26 | |
| Ds | Min | 0.237 | |
| S | Max | 0.438 | |
| S | Min | 0.425 | |
| E | Max | 0.505 | |
| E | Min | 0.484 | |
| K | Max | 0.188 | |
| K | Min | 0.15 | |
| R | Max | 0.03 | |
| R | Min | 0.01 | |
| B | L≤6 | 0.75 | |
| B | L＞6 | 1 | |