Welcome to our store! This rivet nut assortment offers a variety of specifications, neatly categorized for easy carrying and use. Ideal for fastening to various metal sheets, pipes, and other manufacturing applications. Widely used in the assembly of automobiles, aviation, railways, refrigeration, elevators, switches, furniture, decorations, and other electromechanical and light industrial products. The exterior is coated with colored zinc, providing resistance to wear, oxidation, and corrosion for long-lasting durability. Smooth overall finish, flat without burrs, exquisite workmanship, strong and durable. Item Type: Rivet Nut Material: Carbon Steel Category: Color Zinc Flat Head Rivet Nuts Exterior Treatment: Color Zinc Plating Specifications: M3 Approx. M4 Approx. M5 Approx. M6 Approx. Inner Diameter: 3 mm / 0.1 in 4 mm / 0.16 in 5 mm / 0.2 in 6 mm / 0.24 in Outer Diameter: 4.9 mm / 0.19 in 5.9 mm / 0.23 in 6.9 mm / 0.27 in 8.9 mm / 0.4 in Head Inner Diameter: 5 mm / 0.2 in 6 mm / 0.24 in 7 mm / 0.28 in 9 mm / 0.35 in Head Outer Diameter: 8 mm / 0.31 in 9 mm / 0.35 in 10 mm / 0.39 in 12 mm / 0.47 in Head Thickness: 0.8 mm / 0.03 in 0.8 mm / 0.03 in 1 mm / 0.04 in 1.5 mm / 0.06 in Total Length: 9 mm / 0.35 in 11 mm / 0.43 in 13 mm / 0.5 in 15 mm / 0.59 in Rivet Thickness: 0.5 ~ 1.5 mm / 0.02 ~ 0.06 in 0.5 ~ 2.5 mm / 0.02 ~ 0.1 in 0.5 ~ 3 mm / 0.02 ~ 0.12 in 0.5 ~ 3.5 mm / 0.02 ~ 0.14 in Includes: 100 x Nuts Your 100% satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues upon receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!