The 1/4 inch by 2-1/2 inch lag screws from Allied Bolt are expertly manufactured from Grade 2 steel, making them ideal for rigorous outdoor applications, particularly in the construction of telephone poles and other wooden structures. Each screw features a square head measuring 3/8 inch, providing superior grip for easy installation. With a Rockwell hardness rating between B70 and B100, these fasteners offer reliable strength and durability, and their mechanically galvanized finish ensures compliance with ASTM Specification B695 for corrosion resistance. Each pack contains 50 screws, each marked with the registered bolt head insignia (ABI), a testament to their quality and adherence to industry standards.