Truss Slot Drive Ribbed Neck A307 Steel, Zinc Full Thread
Ribbed Neck Track Bolts are designed specifically for use in the installation of garage doors. Ribbed Neck is used in softer materials to keep the bolt from turning when the nut is being tightened. They are fully threaded, with a truss style head that is slotted. Available in Grade A307 steel in a clear zinc finish