3a thread class right-hand 0.583" thread length double hexagon extended washer head style 0.429" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.320" thread length dished hexagon head style 1.365" grip length 32 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 0.434" thread length flat countersunk head style 56 thread quantity per inch navy special project cadmium surface treated unc thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
2a thread class right-hand 0.516" thread length hexagon head style 24 thread quantity per inch color green per fed std 595 no. 24087 paint surface treated unf thread series