3a thread class right-hand 1.125" grip length 125000 single pounds per square inch shear strength gwhite paint on head oxide film surface treated unjf thread series
3a thread class right-hand 0.355" thread length dished hexagon head style 28 thread quantity per inch navy special project includes washer cadmium surface treated unjf thread series
3a thread class right-hand 0.530" thread length flat countersunk head style 0.365" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.632" thread length hexagon head style 1.547" grip length 24 thread quantity per inch passivate surface treated unf thread series