2a thread class right-hand 1.688" thread length fillister head style 0.040" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
Used on spec item. 3a thread class right-hand 0.572" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.572" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.571" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.571" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.572" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated unf thread series