THREAD CUTTING SCREWS
PAN HEAD PHILLIPS
HEAD DIMENSIONS
All Sizes in Inches
Nominal 
Size
Head Diameter Head Height Dimensions of Recess Phillips 
Driver 
Size
Diameter Depth Width
Max. Min. Max. Min. Max. Min. Max. Min.
2 .167 .155 .062 .053 .104 .091 .059 .017 1
3 .193 .180 .071 .062 .112 .099 .068 .019 1
4 .219 .205 .080 .070 .122 .109 .078 .019 1
5 .245 .231 .089 .079 .158 .145 .083 .028 2
6 .270 .256 .097 .087 .166 .153 .091 .028 2
7 .296 .281 .106 .096 .176 .163 .100 .029 2
8 .322 .306 .115 .105 .182 .169 .108 .030 2
10 .373 .357 .133 .122 .199 .186 .124 .031 2
12 .425 .407 .151 .139 .259 .246 .141 .034 3
14 .476 .457 .169 .156 .281 .268 .161 .039 3
1/4 .492 .473 .175 .162 .281 .268 .161 .039 3
5/16 .615 .594 .218 .203 .350 .337 .193 .059 4
3/8 .740 .716 .261 .244 .393 .380 .233 .065 4