Phillips and Slotted Combination Drive Pan Heads

Nominal Screw Size G H J A M T N Recess Penetration Driver Size
Head Dimensions Slot Dimensions Recess Dimensions
Head Diameter Head Height Width Depth Diameter Depth Recess Width
Max Min Max Min Max Min Max Min Max Min Max Min Min Max Min
4 .219 .205 .080 .070 .039 .031 .040 .027 .122 .109 .078 .060 .019 .071 .053 1
6 .270 .256 .097 .087 .048 .039 .050 .033 .166 .153 .091 .066 .028 .080 .055 2
8 .322 .306 .115 .105 .054 .045 .058 .041 .182 .169 .108 .082 .030 .097 .071 2
10 .373 .357 .133 .122 .060 .050 .068 .048 .199 .186 .124 .100 .031 .113 .089 2
12 .425 .407 .151 .112 .067 .056 .077 .055 .259 .246 .141 .115 .034 .124 .098 3
1/4 .492 .473 .175 .162 .075 .064 .087 .063 .281 .268 .161 .135 .036 .144 .118 3
5/16 .615 .594 .218 .203 .084 .072 .106 .076 .350 .337 .193 .169 .059 .173 .149 4