THREAD ROLLING SCREWS
PAN HEAD PHILLIPS
All Dimensions in Inches
Screw 
Diameter
Head Diameter Head Height Dimensions of Recess Phillips 
Driver 
Size
Diameter Depth Width
Max. Min. Max. Min. Max. Min. Max. Min.
2/56 .167 .155 .062 .053 .104 .091 .059 .017 1
4/40 .219 .205 .080 .070 .122 .109 .078 .019 1
6/32 .270 .256 .097 .087 .166 .153 .091 .028 2
8/32 .322 .306 .115 .105 .182 .169 .108 .030 2
10/24 .373 .357 .133 .122 .199 .186 .124 .031 2
10/32 .373 .357 .133 .122 .199 .186 .124 .031 2
12/24 .425 .407 .151 .139 .259 .246 .141 .034 3
1/4-20 .492 .473 .175 .162 .281 .268 .161 .039 3
5/16-18 .615 .594 .218 .203 .350 .337 .193 .059 4
3/8-18 .740 .716 .261 .244 .393 .380 .233 .065 4