3a thread class right-hand 0.987" thread length crowned hexagon head style 2.125" grip length 16 thread quantity per inch plunger in head unjf thread series
3a thread class right-hand 0.403" thread length flat countersunk head style 1.006" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.447" thread length flat countersunk head style 1.430" grip length 24 thread quantity per inch passivate surface treated unjf thread series