Easily secure components with our 4-40 Flat Head Machine Screw. Crafted from durable steel and finished with protective zinc coating, this screw ensures reliable performance in a range of applications. Featuring a Phillips drive type for convenient installation, its flat head design offers a flush finish. Measuring at .15625 inches in length, this screw is a versatile and essential addition to any toolkit. Rest assured, it complies with RoHS standards for environmentally conscious manufacturing. Upgrade your fastening solutions with this high-quality machine screw.