Introducing our Sems Machine Screw, a versatile fastening solution designed for ease of installation and optimal performance. Featuring a durable steel construction with a corrosion-resistant zinc finish, this screw is perfect for a wide range of applications. The external tooth washer ensures secure and reliable fastening, while the pan head and Phillips drive offer convenience and efficiency. Measuring at half an inch in length, it's suitable for various projects. Rest assured, it complies with RoHS standards, guaranteeing its environmental sustainability. Upgrade your fastening needs with this ASME B18.13 compliant screw.