ASTM F1554 is an anchor bolt specification developed by the American Society for Testing and Materials that specifies straight, bent, headed or headless anchor bolts and fully threaded rod. It replaces ASTM A307 Grade C. The F1554 specification is used in construction-related projects such as commercial developments, structural supports and residential developments. Common examples of F1554 in use include freeway signs, street lights, traffic signals and large building columns.