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 | ||
5/16 (0.3125) | 0.437 | 0.431 | 0.156 | 0.152 | 0.1562 | 0.120 | 0.347 | 0.329 | 3/4 |
SEE NOTES 1 | 2 | 6 | 8, 9 |