Enhance your hardware collection with this Sems Machine Screw, a versatile and durable fastening solution designed for various applications. Crafted from high-quality stainless steel, it ensures reliable performance and longevity. Featuring a 4-40 thread size, it is compatible with a range of fixtures. The included Split Lock Washer guarantees secure attachment, while the Pan head and Phillips drive type offer easy installation. With a length of .3125 inches, it is suitable for various projects. Rest assured, this screw is RoHS compliant, making it an environmentally friendly choice. Elevate your fastening game with this essential component.