The MACHINE SCREW PHILLIPS PAN HD 1/4"-20 X 1/2" BLACK OXIDE is engineered for superior strength and reliability. Made from high-quality AISI 1006-1022 steel, these screws feature a pan head design that provides a larger bearing surface for enhanced grip. The black oxide finish offers corrosion resistance, making them suitable for both indoor and outdoor applications. Ideal for use in machinery, automotive, and industrial assemblies, these screws ensure a secure fastening solution for a wide range of projects.