Enhance the security of your fasteners with these Grade 8 Steel lock nuts. Featuring a Nylon Insert and a Flanged design, they provide reliable resistance to loosening under vibration. The Yellow Zinc finish not only adds a layer of protection against corrosion but also offers easy identification. Compliant with RoHS regulations, these nuts are not only durable but also environmentally friendly. With a thread size of 3/8-16 and meeting IFI 100/107 specifications, they are the perfect choice for your industrial or DIY projects. Trust in their quality for tight and secure fastening every time.