TAPPING SCREWS
OVAL HEAD SLOT
All Dimensions in Inches
Screw 
Diameter
Head Diameter Head Height Slot Width Slot Depth
Side Height Total Height
Max. Min. Max. Min. Max. Min. Max. Min. Max. Min.
2 .172 .150 .051 .040 .080 .063 .031 .023 .045 .037
3 .199 .175 .059 .048 .092 .073 .035 .027 .052 .043
4 .225 .200 .067 .055 .104 .084 .039 .031 .059 .049
5 .252 .225 .075 .062 .116 .095 .043 .035 .067 .055
6 .279 .249 .083 .069 .128 .105 .048 .039 .074 .060
7 .305 .274 .091 .076 .140 .116 .048 .039 .081 .066
8 .332 .300 .100 .084 .152 .126 .054 .045 .088 .072
10 .385 .348 .116 .098 .176 .148 .060 .050 .103 .084
12 .438 .397 .132 .112 .200 .169 .067 .056 .117 .096
14 .491 .447 .148 .127 .224 .190 .075 .064 .132 .108