Enhance your fastening process with this high-quality Sems Machine Screw. Featuring a durable steel construction with a corrosion-resistant zinc coating, this screw is built to last. The included external tooth washer ensures secure attachment, while the pan head and Phillips drive offer easy installation. With a thread size of 1/4-20 and a length of .75 inches, it is perfect for a wide range of applications. Rest assured, this screw is RoHS compliant, making it environmentally friendly. Upgrade your toolbox with this essential screw today.