This Burnham Commercial Bolt Carriage is a standard fastening device designed for robust and secure applications. The bolt features a 1/4 inch diameter and a length of 1-1/2 inches, conforming to the industry-standard size notation. It is characterized by its square section underneath the head, intended to prevent the bolt from turning when the nut is tightened or removed. Made from durable materials, it ensures high resistance to shear forces, providing reliable performance in various commercial and industrial settings. The threading on this bolt follows the Unified National Coarse (UNC) standard, which means it has fewer threads per inch than a fine-threaded bolt, making it suitable for fastening in low-density materials like wood and plastic.