2a thread class right-hand 0.364" thread length flat chamfer head style 32 thread quantity per inch washer, rockwell c scale 40 min, 50 max unf thread series
3a thread class right-hand 0.906" thread length hexagon head style 3.000" grip length 18 thread quantity per inch cadmium surface treated unf thread series
3a nut thread thread class right-hand nut thread 0.375" stud thread thread length 2.109" overall length 24 nut thread thread quantity per inch 5/16 dia. undercut 1/16 in. wide 1/16 in. from stud end cadmium or cadmium surface treated shouldered unf nut thread thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 1.928" grip length 28 thread quantity per inch primer coat applied to head cadmium surface treated unf thread series
3a thread class right-hand 0.444" thread length flat countersunk head style 1.428" grip length 28 thread quantity per inch cadmium head surface treated unjf thread series
3a nut thread thread class right-hand nut thread 0.688" stud thread thread length 2.188" overall length 13 stud thread thread quantity per inch 0.062 in. lg by 45.0 degree chamfer on stud end. spherical radius on nut end unc nut thread thread series
3a thread class right-hand flush countersunk head style 0.193" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series