3a thread class right-hand 1.090" thread length hexagon head style 0.070" hole diameter 20 thread quantity per inch cadmium surface treated unf thread series
right-hand 0.380" thread length double chamfer head style 16 thread quantity per inch edge of head bearing surface chamfered 0.100 in. lg by 45.0 deg unf thread series
3a thread class right-hand 0.940" thread length dee head style 18 thread quantity per inch 0.125 in. max by 45.0deg chamfer lower end of shoulder incl shoulder lg zinc or cadmium surface treated unf thread series
3a thread class right-hand 0.281" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.682" thread length round w/wrench flats chamfered head style 16 thread quantity per inch navy special project shoulder undercut 0.031 in. radius by 0.031 in. lg under head cadmium surface treated unf thread series
3a thread class right-hand 1.485" thread length hexagon head style 12 thread quantity per inch rlarge dia shoulder undercut at head to 1.500 dia. with 0.062 in. radius unf thread series
3a thread class right-hand 0.313" thread length round w/wrench flats head style 32 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.329" thread length round w/wrench flats head style 28 thread quantity per inch passivate surface treated unf thread series
1a thread class right-hand 0.425" thread length double hexagon w/hole head style 28 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 0.430" thread length round w/wrench flats head style 20 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.906" thread length dee head style 18 thread quantity per inch shoulder chamfered atthd end 45 deg 0.062 to 0.188 in. lg cadmium or zinc surface treated unf thread series
2a thread class right-hand 0.969" thread length round w/wrench flats head style 18 thread quantity per inch phosphate surface treated unf thread series
2a thread class right-hand 0.532" thread length hexagon head style 13 thread quantity per inch undercut between second shoulder passivate surface treated unc thread series
3a thread class right-hand 0.841" thread length hexagon head style 12 thread quantity per inch thd relief 0.125 in. w cadmium surface treated unf thread series