Double-arming bolts from Chance are specifically engineered for the robust needs of line construction, where the integrity of double arm construction is paramount. Commonly referred to as D A Bolts in the industry, these fasteners are designed to "unitize" two crossarms, ensuring enhanced strength and stability in aerial applications. With a rated tensile strength of 12,400 lbs., these full-thread bolts feature cone pointed ends for optimal engagement and include four square nuts for secure installation. Manufactured in compliance with ANSI C135.1 and CAO 6645, they are galvanized according to ASTM A-153 standards, making them highly resistant to atmospheric conditions and corrosion. These bolts are RUS listed, confirming their suitability for utility applications, while their durable steel composition guarantees long-lasting performance in diverse environmental conditions.