2a thread class right-hand 0.886" thread length fillister head style 0.070" hole diameter 24 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.434" thread length flat countersunk head style 56 thread quantity per inch navy special project cadmium screw surface treated blacken per unichrome bulletin p-65-b-cd or equivalent unc thread series
3a thread class right-hand 0.600" thread length hexagon head style 1.735" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.602" thread length hexagon head style 2.610" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.514" thread length hexagon head style 0.046" hole diameter 3.610" grip length 28 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.484" thread length hexagon head style 2.615" grip length 20 thread quantity per inch navy special project cadmium surface treated unf thread series