3a thread class right-hand 0.540" thread length hexagon head style 0.107" hole diameter 20 thread quantity per inch navy special project unef thread series
3a thread class right-hand 1.437" thread length double hexagon extended washer head style 20 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 1.500" thread length hexagon head style 4.000" grip length 18 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 1.391" thread length double hexagon extended washer head style 0.109" grip length 18 thread quantity per inch color black oxide surface treated unc thread series
2a thread class right-hand 0.456" thread length hexagon head style 0.062" hole diameter 18 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 0.500" thread length 0.625" grip length 24 thread quantity per inch hex internal drive, 0.094 inch across flats x 0.156 inch deep, locatedopposite head end cadmium surface treated unf thread series
2a thread class right-hand 0.500" thread length 0.750" grip length 24 thread quantity per inch hex internal drive, 0.094 inch across flats x 0.156 inch deep, locatedopposite head end cadmium surface treated unf thread series
3a thread class right-hand 0.516" thread length hexagon head style 0.070" hole diameter 0.079" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.740" thread length hexagon head style 0.070" hole diameter 0.378" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.740" thread length hexagon head style 0.070" hole diameter 0.815" grip length 20 thread quantity per inch unjf thread series
Used on spec item. 3a thread class right-hand 0.620" thread length double hexagon w/hole head style 0.248" grip length 32 thread quantity per inch unjf thread series