2a thread class right-hand 0.361" thread length flat countersunk head style 24 thread quantity per inch cadmium or zinc surface treated unc thread series
3a thread class right-hand 0.812" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.625" thread length fillister head style 32 thread quantity per inch cadmium or zinc screw surface treated unc thread series
2a thread class right-hand 0.500" thread length fillister head style 32 thread quantity per inch cadmium or zinc screw surface treated unf thread series
2a thread class right-hand 0.500" thread length fillister head style 0.047" hole diameter 18 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.175" thread length oval countersunk head style 24 thread quantity per inch dichromate zinc surface treated unc thread series