2a thread class right-hand 0.258" thread length flat countersunk head style 20 thread quantity per inch screw has cadmium plated steel core unc thread series
2a thread class right-hand 1.807" thread length fillister head style 0.047" hole diameter 24 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.307" thread length fillister extended washer head style 0.060" hole diameter 32 thread quantity per inch unc thread series
3a thread class right-hand 0.500" thread length fillister head style 0.047" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.152" thread length flat countersunk head style 48 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.335" thread length fillister head style 0.031" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.596" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series