JM Hardware® Custom Square Bolts: Precision Fastening Solutions Tailored to Your Needs. Our Custom Square Bolts are meticulously engineered to provide optimal performance and reliability in any application. Crafted with precision and attention to detail, these bolts ensure a secure and tight fit, offering superior strength and durability. Available in a variety of materials and finishes, including stainless steel, carbon steel, and zinc plating, our Custom Square Bolts are suitable for a wide range of industries and applications. Whether for construction, automotive, or machinery, trust JM Hardware® Custom Square Bolts for precision, quality, and reliability.