3b thread class right-hand 1.552" overall length 1.552" overall width 32 thread quantity per inch 0.844 in. cutout on one side passivate surface treated square shape unjc thread series
3b thread class right-hand 1.380" overall length 1.380" overall width 32 thread quantity per inch corrosion resistant nuts; 0.672 in. cutout on one side cadmium surface treated square shape unjc thread series