2a thread class right-hand 0.120" thread length 3.500" overall length 13 thread quantity per inch chromium surface treated round, closed un thread series
3a thread class right-hand 0.427" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
2a stud thread thread class right-hand nut thread 0.110" nut thread thread length 0.938" overall length 20 stud thread thread quantity per inch drilled hole on nut end 0.065-0.072 in. dia; surface finish 32.0 on threads; 63.0 on unthreaded area cadmium surface treated stepped unf nut thread thread series