Introducing our Sems Machine Screw, a versatile and essential component for various mechanical applications. This ASME B18.13 compliant screw features a 1/4-20 thread size, making it compatible with a wide range of fastening needs. Crafted from durable steel and coated with zinc for added protection against corrosion, it guarantees long-lasting performance. The included external tooth washer ensures secure fastening, while the hex head and slotted drive type allow for easy installation. With a length of .5 inches, it's suitable for a variety of projects. Rest assured, this product is RoHS compliant, meeting environmental standards. Upgrade your fastening arsenal with our reliable Sems Machine Screw.