3a thread class right-hand 0.682" thread length oval countersunk head style 28 thread quantity per inch furnished with wire form hold out passivate surface treated unf thread series
3a thread class right-hand 0.847" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate surface treated unrc thread series
3a thread class right-hand 0.633" thread length double hexagon head style 1.812" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.691" thread length dished hexagon head style 2.059" grip length 20 thread quantity per inch cadmium surface treated unjf thread series