3a nut thread thread class right-hand nut thread 0.485" stud thread thread length 4.781" overall length 20 stud thread thread quantity per inch stud end must be rolled thd, stud end thd 0.003 in. oversize cadmium surface treated unc stud thread thread series
3a nut thread thread class right-hand nut thread 0.485" stud thread thread length 4.781" overall length 20 stud thread thread quantity per inch stud end must be rolled thd, stud end thd 0.006 in. oversize cadmium surface treated unc stud thread thread series
2a nut thread thread class right-hand nut thread 0.625" stud thread thread length 5.688" overall length 14 stud thread thread quantity per inch stud end chamfered 0.062 in. by 45.0 deg, nut end rounded 0.062 in. deep unf nut thread thread series