Introducing our Binder Head Machine Screw, a reliable fastening solution for a variety of applications. Constructed from durable steel with a sleek zinc finish, this screw is designed to provide secure and long-lasting hold. Compliant with ASME B18.6.3 standards, it guarantees quality performance. Featuring a 4-40 thread size and a slotted drive type, installation is easy and efficient. The binder head design offers a low-profile appearance, making it ideal for projects where aesthetics are important. With a length of .25 inches, it's suitable for a range of tasks. Rest assured, this screw is also RoHS compliant, meeting environmental standards. Upgrade your fastening arsenal with this high-quality binder head machine screw.