CHANZET Expansion Screw Petal Nut 40pcs, M4 M5 M6 M8 Jack Nuts, Insert Nuts Petal Shape Metal Nuts for Hollow Wall Iron Plastic Polywood Pressboard Hardboard

Package Includes: You will receive 40pcs expansion screw petal nuts, Including 4 sizes of M4 M5 M6 M8, 10pcs of each size, different specifications to meet your daily use. Quality Material: These jack nuts are made of high quality carbon steel, durable and reliable, rust and corrosion resist, can serve you for a long time. Precise Production: Precise dimensions and threads, these petal shape metal nut can perfectly fit the hole and bolt. Easy To Install: These petal shape metal nuts are easy to install. You just need to use a professional rivet tool, or clamp the rivet nut with a wrench, then use a screwdriver to hold the screw and material in place to complete the installation. Wide Application: These petal nuts are perfect for iron plate, hollow plate, aluminum alloy frame, license plate, drying rack and container tag, ect.