3a thread class right-hand 0.553" thread length flat countersunk head style 0.240" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 2.240" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.317" thread length hexagon head style 2.928" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand headless (setscrew) head style 32 thread quantity per inch navy special project passivate fastener surface treated unf thread series
2a thread class right-hand 0.741" thread length flat countersunk head style 48 thread quantity per inch passivate screw surface treated unf thread series