3a thread class right-hand 0.870" grip length 32 thread quantity per inch 6130 double pounds per square inch shear strength cadmium surface treated unjf thread series
2a thread class right-hand 0.390" thread length hexagon head style 32 thread quantity per inch navy special project zinc surface treated unc thread series
2a thread class right-hand 0.938" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.444" thread length hexagon head style 32 thread quantity per inch dry film lube on grip only cadmium surface treated unjf thread series