32510 Iron Thumb Screw: 5/16-18, 2" Length Under Head, Winged Head MPN:1-DER-07-M7-

Thumb screws or wing nuts are fastening devices with a long screw thread that is secured to the surface and an handle with a smaller, rotating head used for adjusting the tightness of the screw. Made from cast iron with a 5/16-18 thread size and a 2 length under the head, this thumb screw provides durability at an affordable price. The winged head allows for easy manual adjustment of tightening and loosening without the need for tools. Thumb screws are commonly used in applications such as clamping and fixing devices, fixtures or supports that require frequent adjustments, or anywhere a quick-release mechanism is desired. The versatility and ease of use make them popular among maintenance technicians, mechanics, hobbyists and DIY enthusiasts for various projects around the house or workshop.