PICTURES ARE REPRESENTATIVE OF ITEM, BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions, finish, head markings, thread length, stamping shape or forging shape, etc., may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape, which can vary from lot to lot. Designed to anchor structural supports to concrete foundations. The bent portion (or leg) of the bolt is that which is embedded into concrete to create greater resistance to forces pulling away from the concrete foundation. Grade-36: Low carbon steel shall conform as follows: Carbon: 0.29% max; Manganese: (optional); Phosphorus: 0.05% max; Sulfur: 0.06% max; Copper (when specified): 0.18% min.