Countersunk Bolts and Slotted Countersunk Bolts [Table7] (A307, SAE J429, F468, F593)
ASME B 18.5 - 2012 (2017)
Display drawing:
| Screw Thread | 1/4 | ||
| Thread Size | 1/4 | ||
| D | 0.25 | ||
| P | 28 | ||
| Ds | Max | 0.26 | |
| Ds | Min | 0.237 | |
| Dk | Max | 0.493 | |
| Dk | Min | 0.477 | |
| K | Max | 0.15 | |
| K | Min | 0.131 | |
| N | Max | 0.075 | |
| N | Min | 0.064 | |
| T | Max | 0.068 | |
| T | Min | 0.045 | |