Hex Cap Screws
ASME B 18.2.1 - 1996
Display drawing:
| Screw Thread | 5/16 | ||
| Nominal Diameter | 5/16 | ||
| D | 0.3125 | ||
| P | 18 | ||
| Ds | Max | 0.3125 | |
| Ds | Min | 0.3065 | |
| S | Nominal | 1/2 | |
| S | Max | 0.5 | |
| S | Min | 0.489 | |
| E | Max | 0.577 | |
| E | Min | 0.557 | |
| K | Nominal | 13/64 | |
| K | Max | 0.211 | |
| K | Min | 0.195 | |
| Kw | Min | 0.14 | |
| B | L≤6 | 0.875 | |
| B | L＞6 | 1.125 | |
| R Max | 0.025 | ||
| R Min | 0.015 | ||