These premium grade bolts are forged from 8740 chrome moly steel. They are ground and thread rolled after heat treat to assure exacting tolerances.
Other special features are: a 1/2'' hex head for greater socket clearance, a wide flange area under the head for greater load spread, and a black oxide finish. The tensile strength of these premium fasteners is 170,000 PSI.
The Milodon name stamped on the head is your assurance of quality and means that these bolts are 100% warranted unbreakable. Packaged in complete sets.