Engineered for exceptional strength and reliability, these double-arming bolts are essential for effectively unitizing two crossarms during line construction where double arm installation is needed. Typically referred to as D A Bolts in the industry, they boast a rated tensile strength of 12,400 lbs., ensuring robust performance under demanding conditions. Crafted from galvanized steel in accordance with ASTM A-153, these bolts are manufactured to meet ANSI C135.1 and CAO 6645 standards, making them a dependable choice for aerial hardware applications. Each set includes four square nuts, providing everything required for secure installation, thereby facilitating efficient and stable overhead line construction.