2a thread class right-hand 0.281" thread length flat countersunk head style 64 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.343" thread length flat countersunk head style 32 thread quantity per inch navy special project cadmium screw surface treated unf thread series
2a thread class right-hand 1.000" thread length hexagon head style 1.750" grip length 16 thread quantity per inch copper surface treated unc thread series
2a thread class right-hand 1.362" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.624" thread length hexagon head style 20 thread quantity per inch cadmium plating modified by 0.00015 in. max thk cadmium surface treated unf thread series
2a thread class right-hand 0.625" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.500" thread length hexagon head style 0.062" grip length 20 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.875" thread length flat countersunk head style 24 thread quantity per inch screw, cap, socket head alloy steel, 0.312-24unf-2a, thd lgth 0.875 in. min.; fastner lgth 1.059 in. unf thread series
3a thread class right-hand 2.000" thread length hexagon head style 1.000" grip length 20 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 0.250" thread length flat countersunk head style 24 thread quantity per inch internally threaded through head no. 4/0.112-40 unc-2b 0.250 min full thd to 0.290 to 0.390 depth countersunk 80-100 deg 0.120 to 0.140 in. dia passivate surface treated unc thread series
3a thread class right-hand 0.435" thread length round w/wrench flats chamfered head style 20 thread quantity per inch nickel surface treated unf thread series
