3a thread class right-hand 0.858" thread length flat countersunk undercut head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.082" thread length flat countersunk undercut head style 28 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.420" thread length flat countersunk undercut head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.250" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.938" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
Used on F-15S. 3a thread class right-hand 2.438" thread length crowned hexagon head style 0.031" grip length 24 thread quantity per inch bolt, machine cadmium surface treated unjf thread series