Introducing our Sems Machine Screw, a versatile and essential component for various assembly applications. Crafted from durable steel with a corrosion-resistant zinc finish, this screw ensures long-lasting performance. Featuring a 4-40 thread size and a pan head with a Phillips drive, it offers easy installation and a secure hold. The included internal tooth washer provides added stability, making it ideal for use in machinery, electronics, and more. Measuring at .1875 inches in length and compliant with RoHS standards, this screw is not only efficient but also environmentally friendly. Upgrade your assembly process with this high-quality Sems Machine Screw.