2a thread class right-hand 0.262" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.070" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.506" thread length hexagon head style 0.552" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.444" thread length hexagon head style 0.365" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.625" thread length flat chamfer head style 0.044" hole diameter 18 thread quantity per inch passivate surface treated unrc thread series
3a thread class right-hand 0.344" thread length headless (setscrew) head style 40 thread quantity per inch nylon insert at point of thread passivate surface treated unc thread series