Introducing our Flat Head Machine Screw, a versatile fastening solution for a variety of applications. Made of durable steel with a sleek black zinc finish, this screw offers both strength and corrosion resistance. Featuring a 4-40 thread size and a Phillips drive type, it is easy to install and provides a secure hold. With a length of .3125 inches, it is suitable for a range of projects. Rest assured, this screw is RoHS compliant, meeting strict environmental standards. Upgrade your fastening needs with this high-quality machine screw.