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SOCKET BUTTON HEAD CAP SCREWS
| D | A | H | S | J | T | F | L | |||||
| Nominal Size or Basic Screw Diameter |
Head Diameter |
Head Height |
Head Side Height |
Hexagon Socket Size |
Key Engagement |
Fillet Extension |
Max Standard Length |
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| Max | Min | Max | Min | Ref | Nom | Min | Max | Min | Nom | |||
| 1/4 | 0.2500 | 0.437 | 0.419 | 0.132 | 0.122 | 0.031 | 5/32 | 0.156 | 0.087 | 0.020 | 0.015 | 1.00 |
| 5/16 | 0.3125 | 0.547 | 0.527 | 0.166 | 0.152 | 0.031 | 3/16 | 0.188 | 0.105 | 0.020 | 0.015 | 1.00 |
| 3/8 | 0.3750 | 0.656 | 0.636 | 0.199 | 0.185 | 0.031 | 7/32 | 0.219 | 0.122 | 0.020 | 0.015 | 1.25 |
| 1/2 | 0.5000 | 0.875 | 0.851 | 0.265 | 0.245 | 0.046 | 5/16 | 0.312 | 0.175 | 0.030 | 0.020 | 2.00 |
| 5/8 | 0.6250 | 1.000 | 0.970 | 0.331 | 0.311 | 0.062 | 3/8 | 0.375 | 0.210 | 0.030 | 0.020 | 2.00 |