Enhance your industrial projects with our high-quality Hex Head Machine Screw. Crafted from durable Grade 8 Steel and coated in sleek Black Phosphate, this screw guarantees both strength and style. Compliant with ASME B18.2.1 specifications, it ensures precise performance, while its 5/16-18 thread size and 3-inch length cater to a variety of applications. Featuring a convenient Hex drive type, installation is a breeze. Plus, with RoHS compliance, you can trust in both its quality and environmental responsibility. Elevate your work with this essential fastening solution.