3a thread class right-hand 0.656" thread length dished hexagon head style 1.500" grip length 16 thread quantity per inch chromate surface treated unjf thread series
3a thread class right-hand 0.498" thread length flat countersunk head style 0.490" grip length 28 thread quantity per inch dry film lubricant-threads only passivate surface treated unjf thread series
3a thread class right-hand 0.498" thread length flat countersunk head style 0.677" grip length 28 thread quantity per inch dry film lubricant threads only passivate surface treated unjf thread series
3a thread class right-hand 0.498" thread length flat countersunk head style 0.427" grip length 28 thread quantity per inch dry film lubricant threads only passivate surface treated unjf thread series
3a thread class right-hand 0.438" thread length flat countersunk undercut head style 32 thread quantity per inch passivate surface treated unjf thread series