2a thread class right-hand 0.185" thread length hexagon extended washer head style 20 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand hexagon head style 32 thread quantity per inch undercut on first shoulder 0.840 min.and 0.860 max., .021 r passivate surface treated unf thread series
3a thread class right-hand 0.335" thread length round w/wrench flats head style 32 thread quantity per inch anodize threads surface treated unjf thread series
3a thread class right-hand 0.473" thread length 24 thread quantity per inch keyway on shoulder 0.125-0.135 in. wd by 0.079-0.085 in. dp by 0.340-0.400 in. lg unjf thread series