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 nut thread thread class right-hand nut thread 0.237" nut thread thread length 2.831" overall length 24 stud thread thread quantity per inch stud end shank lgth 1.104 in. nom; stud end shank dia 0.420 in. nom cadmium surface treated shouldered unc stud thread thread series
3a nut thread thread class right-hand nut thread 0.395" stud thread thread length 1.374" overall length 16 stud thread thread quantity per inch stud end counterbore 0.250 in. dia by 0.400 in. dp shouldered unjf nut thread thread series