http://www.vintagewheelsus.com/tech.php
"Wheel studs used must be of the correct grade as supplied by the hub/axle/spindle manufacturer or from a reputable aftermarket wheel stud supplier.
Drive pin lugs must be installed using high strength thread locker and torqued to the manufacturers specification. The typical torque setting for a ½ inch x 20-wheel stud is 85 ft lb."