3a thread class right-hand 0.430" thread length hexagon head style 0.190" grip length 20 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 4.820" thread length hexagon head style 0.180" grip length 12 thread quantity per inch zinc surface treated unc thread series
3a thread class right-hand 0.891" thread length 5.000" overall length 14 thread quantity per inch cadmium surface treated round, closed w/shoulder uns thread series
3a thread class right-hand 0.500" thread length round w/wrench flats head style 20 thread quantity per inch concentric hole unthreaded unf thread series