PhillipsFlat HeadMachineScrew

82 Degree Flat Head Machine Screws Slotted & Phillips Drive Dimensions Nominal Size A H J T M R N F G Phillips Driver Size Head Dimensions Slot Dimensions Recess Dimensions Protrusion Above Gaging Diameter Gaging Diameter Diameter Height Width Depth Diam. Depth Width Max Min Max Min Max Min Max Min Ref Ref Ref Max Min  0 .112 .096 .035 .026 .023 .016 .015 .010 .062 .035 .014 .026 .016 .078 0 1 .137 .120 .043 .033 .026 .019 .019 .012 .070 .043 .015 .028 .016 .101 0 2 .162 .144 .051 .040 .031 .023 .023 .015 .096 .055 .017 .029 .017 .124 1 3 .187 .167 .059 .0457 .035 .027 .027 .017 .100 .060 .018 .031 .018 .148 1 4 .212 .191 .067 .055 .039 .031 .030 .020 .122 .081 .018 .032 .019 .172 1 5 .237 .215 .075 .062 .043 .035 .034 .022 .148 .074 .027 .034 .020 .196 2 6 .262 .238 .083 .069 .048 .039 .038 .024 .168 .094 .029 .036 .021 .220 2 8 .312 .285 .100 .084 .054 .045 .045 .029 .182 .110 .030 .039 .023 .267 2 10 .362 .333 .116 .098 .060 .050 .053 .034 .198 .124 .032 .042 .025 .313 2 12 .412 .380 .132 .112 .067 .056 .060 .039 .262 .144 .035 .045 .027 .362 3 1/4 .477 .442 .153 .131 .075 .064 .070 .046 .276 .160 .036 .050 .029 .424 3 5/16 .597 .556 .191 .165 .084 .072 .088 .058 .358 .205 .061 .057 .034 .539 4 3/8 .717 .670 .230 .200 .094 .081 .106 .070 .386 .234 .065 .065 .039 .653 4 1/2 .815 .765 .223 .186 .106 .091 .103 .065 .418 .265 .069 .081 .049 .739 4       82 Degree Flat Head Machine Screws Six Lobe Drive Dimensions Nominal Size G T B F Fallaway Driver Size Head Diameter Head Height Recess Diameter GaugePenetration Max Min Ref Ref Min Max   2 .162 .144 .051 .069 .017 .014 T6 4 .212 .191 .067 .094 .028 .019 T8 5 .237 .215 .075 .111 .035 .022 T10 6 .262 .238 .083 .111 .035 .022 T10 8 .312 .285 .100 .132 .040 .026 T15 10 .362 .333 .116 .155 .050 .031 T20 12 .412 .380 .132 .178 .055 .036 T25 1/4 .477 .442 .153 .200 .075 .040 T27 5/16 .597 .556 .191 .266 .087 .047 T40 3/8 .717 .670 .230 .266 .115 .047 T40     - 82 Degree Flat Head Machine Screws Square Drive Dimensions Nominal Size or BasicScrew Diameter A H M  T F Driver Size Head Diameter Head Height RecessSquare RecessDepth Recess PenetrationGaging Depth Max Min Ref Ref  Ref Max Min 4 .1120 .212 .191 .067 .0696 .066 .038 .028 0 6 .1380 .262 .238 .083 .090 .096 .055 .040 1 8 .1640 .312 .285 .100 .111 .115 .063 .048 2 10 .1900 .362 .333 .116 .111 .127 .075 .060 2 12 .2160 .412 .380 .132 .1315 .158 .095 .080 3 1/4 .2500 .477 .442 .153 .1315 .158 .095 .080 3 5/16 .3125 .597 .556 .191 .1895 .194 .100 .085 4 A square center opening has this type of recess, slightly tapered side walls and a conical bottom.    82 Degree Flat Head Machine Screws Combination Drive Dimensions Nominal Size A H J T M R F G Phillips Driver Size Height of Head Slot Dimensions Recess Dimensions Protrusion Above Gaging Diameter Gaging Diameter Diameter Height Width Depth Diam. Penetration Gaging Depth - Max Min Max Min Max Min Max Min Ref Max Min Max Min - - 4 .212 .191 .067 .055 .039 .031 .030 .020 .122 .082 .066 .032 .019 .172 1 6 .262 .238 .083 .069 .048 .039 .038 .024 .168 .095 .072 .036 .021 .220 2 8 .312 .285 .100 .084 .054 .045 .045 .029 .182 .110 .087 .039 .023 .267 2 10 .362 .333 .116 .098 .060 .050 .053 .034 .198 .125 .102 .042 .025 .313 2 Additional Resources Download Flat Head Machine Screws PDF Shop Related Products Machine ScrewsWashers Set Screws

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