JM Hardware® Custom U Bolts: Tailored Solutions for Your Fastening Needs. Engineered with precision and attention to detail, our Custom U Bolts are crafted to meet the unique requirements of your projects. With a variety of materials, including stainless steel and carbon steel, and finishes such as zinc plating and galvanization, these bolts offer exceptional strength and corrosion resistance. Whether for automotive, marine, or industrial applications, JM Hardware® Custom U Bolts deliver reliability and performance you can count on. Trust us to provide the perfect fastening solution for your specific needs.