✅Total: 100 pieces of 1/4-20 UNC zinc-plated rivet nuts. ✅Often used to quickly create threads on thin sheet metal surfaces. ✅Suitable for factory equipment manufacturing and personal DIY projects. ✅Made of alloy carbon steel with zinc plating for strength and corrosion resistance. ✅Suggested hole size: 3/8" (9.5mm). Elevate your fastening capabilities with this 100-pack of 1/4-20 zinc plated iron rivet nuts. Whether for professional applications or DIY projects, these high-quality rivnuts offer unparalleled durability and strength across a wide range of materials, including metal, wood, plastic, and more. The 1/4-20 thread size provides versatile compatibility, making this set an essential addition to your toolbox for numerous projects. From machinery and furniture to electronics and beyond, these rivet nuts deliver secure and long-lasting fastenings for any task at hand. Featuring a zinc plating, these iron rivet nuts boast superior corrosion resistance, enabling reliable performance even in harsh environments. Their easy installation and removal make them an ideal solution for blind hole applications with limited accessibility. Leave subpar fasteners behind and upgrade to this comprehensive 100-pack of 1/4-20 zinc plated iron rivet nuts. Experience the difference that quality rivnuts can make in enhancing the strength and longevity of your projects.