These 1/2-13 rivet nuts are designed for heavy-duty applications, offering a secure, reliable fastening solution for both wood and metal. Made from yellow-zinc coated carbon steel, these rivet nuts are highly resistant to corrosion, providing long-lasting performance even in challenging environments. The flat head ensures a flush, clean finish when installed, while the knurled body provides additional grip to prevent slippage.The 20-piece set is perfect for small to medium projects, including automotive repairs, furniture assembly, and home improvement tasks. The self-locking design simplifies installation, requiring only standard tools for a secure and efficient fit. These rivet nuts are ideal for professionals and DIYers who need a strong, versatile fastening solution. Color: Yellows/Golds.