Crafted for robustness in utility construction, this square head machine bolt is an essential component for securing utility poles and crossarms, boasting an impressive tensile strength of 12,400 lbs. Its hot dip galvanized finish conforms to ASTM A-153 standards, ensuring excellent corrosion resistance and durability in outdoor applications. Manufactured in compliance with ANSI/IEEE C135.1, this bolt includes a pre-assembled square nut and features a 6-inch threaded length that facilitates easy installation. Also known in the industry as a crossarm or through bolt, this reliable fastener is designed to meet the rigorous demands of aerial hardware and is RUS listed, making it a trusted choice for utility installations.