The AndyMark 5/16-18 x 2.5in. Shoulder Bolt is a robust fastening component designed for precision applications. It features a 5/16-18 thread and a 2.5-inch shoulder, providing reliable performance in mechanical assemblies. The bolt is crafted from durable steel and finished with a black oxide coating, enhancing its resistance to corrosion and wear. Its socket head and 3/16-inch hex drive ensure secure installation and removal. This shoulder bolt is ideal for use in environments requiring high strength and stability.