3a thread class right-hand 0.562" thread length hexagon head style 20 thread quantity per inch 0.425 in. min 0.430 in. max dia by 0.094 in. lg undercut directly under bearing surface of head unf thread series
2a thread class right-hand 0.875" thread length hexagon head style 0.469" grip length 24 thread quantity per inch navy special project unf thread series
3a thread class right-hand 0.445" thread length hexagon head style 0.365" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.781" thread length hexagon extended washer head style 0.062" hole diameter 0.157" grip length 24 thread quantity per inch navy special project unf thread series
3a thread class right-hand 0.380" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch silver surface treated unf thread series
3a thread class right-hand 0.374" thread length hexagon head style 0.859" grip length 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.353" thread length hexagon head style 0.609" grip length 32 thread quantity per inch navy special project furnished with tab 2024-T4 al alloy; spacer 4130 steel cadmium surface treated unf thread series
3a thread class right-hand 0.953" thread length double hexagon w/hole head style 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.781" thread length hexagon head style 0.312" grip length 20 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.781" thread length hexagon head style 0.812" grip length 20 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 2.000" thread length hexagon head style 4.812" grip length 10 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.444" thread length hexagon head style 0.365" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.745" thread length hexagon head style 4.235" grip length 20 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 1.725" thread length hexagon head style 0.062" hole diameter 1.100" grip length 28 thread quantity per inch unf thread series
3a thread class right-hand 1.531" thread length hexagon head style 0.062" hole diameter 0.406" grip length 28 thread quantity per inch unf thread series