Enhance your fastening solutions with this Slotted Thumb Screw. Perfect for #4-40 thread applications, this screw boasts a 1 1/4-inch length, making it versatile for various projects. Crafted from durable natural nylon, it offers both strength and corrosion resistance. The round slotted head design allows for easy tightening by hand or with a screwdriver, while its precise dimensions of .317 inches in diameter and .216 inches in height ensure a secure fit. This thumb screw is not only functional but also environmentally friendly, as it is RoHS compliant. Upgrade your hardware collection with this reliable and high-quality fastener.