Engineered for robust utility pole and crossarm construction, this square head machine bolt boasts an impressive tensile strength rated at 12,400 lbs, ensuring reliable performance under heavy loads. Crafted from durable steel and featuring a hot dip galvanized finish that meets ASTM A-153 standards, it is designed for long-lasting use in demanding environments. The assembly includes a square nut and a cone point, along with a 6-inch threaded length, making it a trusted choice for aerial hardware applications. Manufactured in compliance with ANSI/IEEE C135.1, this versatile component often referred to as a crossarm or through bolt is essential for maintaining the structural integrity of aerial line hardware.