3a thread class right-hand 0.779" thread length flush head style 0.928" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.682" thread length double hexagon w/hole head style 0.065" hole diameter 0.865" grip length 24 thread quantity per inch uns thread series
3a thread class right-hand 0.438" thread length dished hexagon head style 0.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series