3a nut thread thread class right-hand nut thread 0.240" stud thread thread length 1.040" overall length 20 nut thread thread quantity per inch two holes drilled in hex 0.070 in. dia shouldered unc nut thread thread series
3a thread class right-hand 0.610" thread length hexagon head style 2.047" grip length 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.477" thread length flat countersunk head style 28 thread quantity per inch three slots 0.040 in. wide by 0.029 in. deep along the longitudinal axis tin surface treated unf thread series
3a thread class right-hand 0.406" thread length dished hexagon head style 2.500" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.719" thread length headless (setscrew) head style 24 thread quantity per inch cadmium or zinc surface treated unc thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
