3a thread class right-hand 0.953" thread length hexagon head style 0.070" hole diameter 5.438" grip length 18 thread quantity per inch unf thread series
3a thread class right-hand 0.740" thread length double hexagon extended washer head style 2.190" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.865" thread length double hexagon extended washer head style 1.065" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand 1.826" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch navy special project cadmium surface treated unjf thread series