3a nut thread thread class right-hand nut thread 0.928" stud thread thread length 2.570" overall length 16 stud thread thread quantity per inch nut end tapped 1/4-28 unf-1b, 0.320 in. min deep cadmium surface treated unf nut thread thread series
3a nut thread thread class right-hand nut thread 0.928" stud thread thread length 2.560" overall length 16 stud thread thread quantity per inch nut end tapped 1/4-28 unf-1b, 0.320 in. min deep cadmium surface treated unf nut thread thread series
2a nut thread thread class right-hand nut thread 0.640" stud thread thread length 1.700" overall length 16 stud thread thread quantity per inch taper stud end 12.30degrees by .180 in. unc stud thread thread series