3a thread class right-hand 0.276" thread length flat countersunk head style 0.500" grip length 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.390" thread length flat countersunk undercut head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.312" thread length flat countersunk undercut head style 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.391" thread length hexagon head style 0.812" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.355" thread length hexagon head style 0.928" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.375" thread length hexagon head style 0.812" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.218" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
32 thread quantity per inch one hole 0.062 in. dia, 0.048 in. min to 0.058 in max lg from nearest outside edge to hole center passivate surface treated plain unc thread series
3a thread class right-hand 0.256" thread length hexagon head style 0.375" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.291" thread length hexagon head style 1.396" grip length 24 thread quantity per inch cadmium surface treated unf thread series