Elevate your fastening solutions with our Sems Machine Screw, meticulously designed for precision and performance. This ASME B18.13 compliant screw boasts a thread size of 4-40, crafted from durable steel with a sleek zinc coating for enhanced durability. Paired with a Square Conical Washer for optimal stability, its Pan head and Phillips drive ensure easy installation. With a length of 1.125 inches, this RoHS compliant screw is a versatile choice for various applications, promising quality and reliability every time. Upgrade your toolbox with this essential component today.