Introducing our Knurled Thumb Screw, a versatile and durable fastening solution for various applications. With a #4-40 thread size and 3/8 inch length, this screw is designed to securely hold components in place. Made of high-quality natural nylon 6.6, it offers excellent strength and corrosion resistance. The knurled head allows for easy tightening by hand, eliminating the need for tools. RoHS compliant, this screw meets strict environmental standards, making it a responsible choice for your projects. Upgrade to our Knurled Thumb Screw for reliable and efficient fastening.