| Nominal Size or Basic Screw Diameter | Head Diameter |
Head Height | J-Hex Socket Size | Key Engagement | Fillet Transition Diameter | Length, Overall | |||
| Max | Min | Max | Min | Nom | Min | Max | Min | ||
| No. 8 (0.1640) | 0.270 | 0.265 | 0.082 | 0.079 | 0.781 | 0.060 | 0.188 | 0.173 | 5/8 |
| SEE NOTES 1 | 2 | 6 | 8, 9 | ||||||