Enhance your fastening solutions with our high-quality Button Head Socket Cap Screw. Crafted from durable steel with a thermal black oxide finish, this ASME B18.3 compliant screw guarantees strength and longevity in any application. Featuring a 5/16-18 thread size and 1.25-inch length, it's perfect for securely fastening components. The 10.9 material grade ensures reliable performance, while the hex socket drive type offers easy installation. Rest assured, this screw is also RoHS compliant, meeting environmental standards. Upgrade your toolkit with this essential hardware piece for a variety of projects.