THREAD
ROLLING SCREWS INDENTED HEX WASHER HEAD SLOTTED |
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All Dimensions in Inches | ![]() |
Screw Diameter | Width Across Flats | Width Across Corners | Head Height | Diameter of Washer | Thickness of Washer | Width of Slot | Depth of Slot | ||||||
Max. | Min. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |
4/40 | .187 | .181 | .202 | .060 | .049 | .243 | .225 | .019 | .011 | .039 | .031 | .042 | .025 |
6/32 | .250 | .244 | .272 | .093 | .080 | .328 | .302 | .0.25 | .015 | .048 | .039 | .053 | .033 |
8/32 | .250 | .244 | .272 | .110 | .096 | .348 | .322 | .031 | .019 | .054 | .045 | .074 | .052 |
10/24 | .312 | .305 | .340 | .120 | .105 | .414 | .384 | .031 | .019 | .060 | .050 | .080 | .057 |
10/32 | .312 | .305 | .340 | .120 | .105 | .414 | .384 | .031 | .019 | .060 | .050 | .080 | .057 |
12/24 | .312 | .305 | .340 | .155 | .139 | .432 | .398 | .039 | .022 | .067 | .056 | .103 | .077 |
1/4-20 | .375 | .367 | .409 | .190 | .172 | .520 | .480 | .050 | .030 | .075 | .064 | .111 | .083 |
5/16-18 | .500 | .489 | .545 | .230 | .208 | .676 | .624 | .055 | .035 | .084 | .072 | .134 | .100 |
3/8-16 | .562 | .551 | .614 | .295 | .270 | .780 | .720 | .063 | .037 | .094 | .081 | .168 | .131 |