| TAPPING
SCREWS FLAT HEAD PHILLIPS |
||
| HEAD DIMENSIONS | ||
| Nominal Size | Head Diameter | Head Height | Dimensions of Recess | Phillips Driver Size | |||||
| Diameter | Depth | Width | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | ||
| 2 | .172 | .150 | .051 | .040 | .102 | .089 | .063 | .017 | 1 |
| 3 | .199 | .175 | .059 | .048 | .107 | .094 | .068 | .018 | 1 |
| 4 | .225 | .200 | .067 | .055 | .128 | .115 | .086 | .018 | 1 |
| 5 | .252 | .225 | .075 | .062 | .154 | .141 | .089 | .027 | 2 |
| 6 | .279 | .249 | .083 | .069 | .174 | .161 | .106 | .029 | 2 |
| 7 | .305 | .274 | .091 | .076 | .182 | .169 | .114 | .030 | 2 |
| 8 | .332 | .300 | .100 | .084 | .189 | .176 | .121 | .031 | 2 |
| 10 | .385 | .348 | .116 | .098 | .204 | .191 | .136 | .032 | 2 |
| 12 | .438 | .397 | .132 | .112 | .268 | .255 | .156 | .036 | 3 |
| 14 | .491 | .447 | .148 | .127 | .283 | .270 | .171 | .039 | 3 |
| 1/4 | .507 | .462 | .153 | .131 | .283 | .270 | .171 | .035 | 3 |
| 5/16 | .635 | .581 | .191 | .165 | .365 | .352 | .216 | .061 | 4 |
| 3/8 | .762 | .700 | .230 | .200 | .393 | .380 | .246 | .065 | 4 |