2a thread class right-hand 0.101" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 1.500" thread length fillister head style 0.046" hole diameter 24 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.608" thread length double hexagon w/ hole head style 36 thread quantity per inch without internal drive unjf thread series
3a thread class right-hand 0.265" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series