This square head machine bolt is engineered specifically for utility pole and crossarm construction, showcasing impressive tensile strength rated at 12,400 lbs. Crafted from steel and featuring a hot dip galvanized finish in accordance with ASTM A-153 standards, it ensures durability and resistance to corrosion in challenging environments. The bolt's 6-inch threaded length offers versatile application options in aerial line hardware, further complying with industry standards set by ANSI/IEEE C135.1. Known colloquially as a crossarm bolt or through bolt, this component is an essential choice for professionals in the aerial hardware and poles category, delivering reliability and performance where it counts most.