2a thread class right-hand 0.687" thread length flat chamfer head style 32 thread quantity per inch head counterbore head hole 0.149 in. min to 0.154 in. max, 0.015 in. deep; head cut 0.093 in. from end to 0.127 in. min to 0.130 in. max wide, 0.260 in. min to 0.270 in. max dia, sides 63.0 microinches finish; socket head depth 0.218 in. nom with last 0.093 in. nom widened to 0.155 in. min to 0.170 in. max dia phosphate manganese surface treated unf thread series
2a thread class right-hand 1.628" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch anodize screw surface treated unc thread series
3a thread class right-hand 0.336" thread length hexagon head style 0.072" grip length 32 thread quantity per inch color black oxide surface treated unjf thread series
3a thread class right-hand 0.523" thread length double hexagon extended washer head style 0.072" grip length 32 thread quantity per inch unjf thread series
