2a thread class right-hand 1.062" thread length crowned hexagon head style 0.062" hole diameter 18 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.625" thread length double hexagon extended washer head style 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.280" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.212" thread length hexagon head style 28 thread quantity per inch thread portion of bolt is at second dia cadmium surface treated unf thread series
3a thread class right-hand 0.660" thread length dee chamfer head style 24 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.370" thread length hexagon head style 0.070" hole diameter 24 thread quantity per inch silver surface treated uns thread series
2a thread class right-hand 0.475" thread length flat chamfer head style o/a lg of first diafrom head, rd w/wrench flats shape 0.142 in. min 0.145 in.max w, between flats phosphate surface treated unc thread series
2a thread class right-hand 0.562" thread length hexagon head style 18 thread quantity per inch undercut 0.094 in. from bearing surface of head cadmium surface treated unc thread series
3a thread class right-hand 0.796" thread length dished hexagon head style 14 thread quantity per inch cadmium or zinc surface treated unf thread series
3a thread class right-hand 0.333" thread length hexagon head style 0.055" hole diameter 20 thread quantity per inch passivate surface treated unf thread series
