Covers coating on steel bolts, screws, nuts, and other fasteners, in the nominal size range of ¼ in. to 1½ in. diameter inclusive. It governs the purity of the galvanizing bath, the appearance of the coating under visual examination, the weight of the coating, the uniformity and adhesion of the coating, the fit of the threads on the finished articles, and the test methods to be adopted. Particular requirements apply to the hot-dip galvanizing of high strength steel bolts for use in structural engineering. For This Standard in metric units see AS 1214.