3a thread class right-hand 0.345" thread length dished hexagon head style 2.365" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.456" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.396" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series