MACHINE SCREWS

FLAT HEAD PHILLIPS
HEAD DIMENSIONS

All Dimensions in Inches

Nominal
Size

 Head Diameter Head Height Slot Width Slot Depth
Max. Min. Max. Min. Max. Min. Max. Min.
2 .172 .150 .051 .040 .031 .023 .023 .015
3 .199 .175 .059 .048 .035 .027 .027 .017
4 .225 .200 .067 .055 .039 .031 .030 .020
5 .252 .225 .075 .062 .043 .035 .034 .022
6 .279 .249 .083 .069 .048 .039 .038 .024
7 .305 .274 .091 .076 .048 .039 .041 .027
8 .332 .300 .100 .084 .054 .045 .045 .029
10 .385 .348 .116 .098 .060 .050 .053 .034
12 .438 .397 .132 .112 .067 .056 .060 .039
14 .491 .447 .148 .127 .075 .064 .068 .044
1/4 .507 .462 .153 .131 .075 .064 .070 .046
5/16 .635 .581 .191 .165 .084 .072 .088 .058
3/8 .762 .700 .230 .200 .094 .081 106 .070