2a thread class right-hand 0.250" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.429" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.457" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 1.031" thread length spline drive shear head head style 20 thread quantity per inch zinc screw surface treated unf thread series
2a thread class right-hand 1.325" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.219" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.388" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.617" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 1.750" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.314" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.540" thread length hexagon head style 36 thread quantity per inch cadmium screw surface treated thread end rounded w/0.125 in. radius unf thread series