2a thread class right-hand 1.320" thread length round w/wrench flats head style 16 thread quantity per inch tapped hole in head 0.750-16 nf 2b perpendicular to cneter line cadmium surface treated unf thread series
3a thread class right-hand 0.497" thread length double hexagon extended washer head style 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.333" thread length double hexagon extended washer head style 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.636" thread length hexagon head style 0.052" hole diameter 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.329" thread length 20 thread quantity per inch the bolt has two undercut is 0.044" between head passivate surface treated unc thread series
2a thread class right-hand 0.427" thread length crowned hexagon head style 28 thread quantity per inch item to be coated with blue marking dye after appl of finish to identify unf thd cadmium surface treated unf thread series
