3a thread class right-hand flush countersunk head style 0.802" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 0.178" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 1.490" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.490" thread length double hexagon head style 24 thread quantity per inch navy special project passivate surface treated unjf thread series