Enhance your fastening efficiency with our Slotted Thumb Screw. Featuring a #4-40 thread and measuring 1/2 inch in length, this essential component is meticulously crafted from durable natural nylon material. Its round slotted head, with a diameter of .317 inches and a height of .216 inches, offers easy handling and secure tightening. Perfect for various applications, this thumb screw guarantees reliable performance and longevity. Upgrade your assembly process with this high-quality, precision-engineered fastener.