3a thread class right-hand 0.503" thread length dished hexagon head style 1.740" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.428" thread length headless (setscrew) head style 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 1.492" thread length flat chamfer head style 28 thread quantity per inch navy special project passivate screw surface treated unjf thread series
2a thread class right-hand 1.062" thread length hexagon head style 0.062" hole diameter 18 thread quantity per inch cadmium surface treated unc thread series
3a nut thread thread class left-hand stud thread 1.136" nut thread thread length 3.000" overall length 20 nut thread thread quantity per inch groove 0.134 in. to 0.164 in. each end shouldered unf nut thread thread series
3a thread class right-hand 0.291" thread length flat countersunk head style 1.490" grip length 28 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 0.350" thread length flat chamfer head style 20 thread quantity per inch thd relief 0.170 in. dia by 0.150 in. w unc thread series
3a thread class right-hand 0.429" thread length dished hexagon head style 1.365" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 3.615" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.150" thread length hexagon head style 20 thread quantity per inch one drilled hole in thread 0.125 in. dia by 0.156 in. deep unf thread series
