Hex Cap Screws
ASME B 18.2.1 - 1996
Display drawing:
| Screw Thread | 1/4 | ||
| Nominal Diameter | 1/4 | ||
| D | 0.25 | ||
| P | 20 | ||
| Ds | Max | 0.25 | |
| Ds | Min | 0.245 | |
| S | Nominal | 7/16 | |
| S | Max | 0.438 | |
| S | Min | 0.428 | |
| E | Max | 0.505 | |
| E | Min | 0.488 | |
| K | Nominal | 5/32 | |
| K | Max | 0.163 | |
| K | Min | 0.15 | |
| Kw | Min | 0.106 | |
| B | L≤6 | 0.75 | |
| B | L＞6 | 1 | |
| R Max | 0.025 | ||
| R Min | 0.015 | ||