Crafted from Grade 2 Steel and finished with a hot dip galvanized coating, this carriage bolt is specifically designed for applications requiring a secure fit in square holes, preventing rotation as the nut is tightened. With a full-threaded design, it ensures a strong hold, boasting a minimum tensile strength of 8,500 lbf. Each bolt features an identifiable head marking registered with the U.S. Patent Office, showcasing its compliance with the Fastener Insignia Act. Adhering to ASTM Specification F2329, these bolts provide reliable performance in aerial hardware and line applications, making them a valuable addition to any industrial toolkit.