3a thread class right-hand 0.641" thread length flat countersunk head style 24 thread quantity per inch navy special project passivate screw surface treated unf thread series
3a thread class right-hand 0.478" thread length double hexagon extended washer head style 0.430" grip length 24 thread quantity per inch unjf thread series
2a thread class right-hand 0.264" thread length flat countersunk head style 40 thread quantity per inch anodize screw surface treated unc thread series
2a thread class right-hand 0.312" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.375" thread length fillister head style 0.047" hole diameter 32 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.710" thread length dished hexagon head style 0.552" grip length 20 thread quantity per inch navy special project cadmium surface treated unjf thread series