3a thread class right-hand 0.476" thread length flat countersunk head style 0.678" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 1.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a nut thread a thread class left-hand nut thread b 7.000" nut thread a thread length 2.469 feet overall length 5 nut thread a thread quantity per inch cadmium surface treated unc nut thread a thread series