| MACHINE
SCREWS FLAT HEAD SOCKET HEAD DIMENSIONS ONLY |
||
| All Dimensions in Inches | ||
| Basic Screw Diameter |
Head Diameter | Square Width | Square Depth | Driver Size |
Penetration Gaging Depth |
|||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||
| 4/40 | 0.1120 | .225 | .200 | 0.071 | 0.070 | 0.073 | 0.063 | 0 | 0.038 | 0.032 |
| 6/32 | 0.1380 | .279 | .249 | 0.091 | 0.090 | 0.113 | 0.105 | 1 | 0.065 | 0.057 |
| 8/32 | 0.1640 | .332 | .300 | 0.113 | 0.111 | 0.140 | 0.119 | 2 | 0.075 | 0.065 |
| 10/24 | 0.1900 | .385 | .348 | 0.113 | 0.111 | 0.140 | 0.119 | 2 | 0.075 | 0.065 |
| 10/32 | 0.1900 | .385 | .348 | 0.113 | 0.111 | 0.140 | 0.119 | 2 | 0.075 | 0.065 |
| 12/24 | 0.2160 | .438 | .397 | 0.133 | 0.132 | 0.165 | 0.155 | 3 | 0.095 | 0.085 |
| 1/4 | 0.2500 | .507 | .462 | 0.133 | 0.132 | 0.165 | 0.155 | 3 | 0.095 | 0.085 |
| 5/16 | 0.3125 | .635 | .581 | 0.191 | 0.190 | 0.201 | 0.191 | 4 | 0.100 | 0.090 |
| 3/8 | 0.3750 | .762 | .700 | 0.191 | 0.190 | 0.201 | 0.191 | 4 | 0.100 | 0.090 |