Easily tighten or loosen fasteners with our Knurled Thumb Screw. Featuring a 3/8-16 thread and 1-inch length, this screw is perfect for a variety of applications. Made from durable nylon, it offers reliable performance and corrosion resistance. The knurled design on the head provides a secure grip for effortless operation. With a natural finish and precise dimensions of .687 inches in head diameter and .43 inches in head height, this thumb screw combines functionality with sleek aesthetics. Upgrade your hardware collection with this essential component.