Juego combinado - Pernos - Juego de 500 piezas de pernos de acero inoxidable, pernos de cabeza redonda M3/M4/M5, tuercas y tornillos de cabeza hueca con arandelas.

Superior Materials: Made of high-quality 45 alloy steel with a tensile strength of up to 800 MPa and excellent load-bearing capacity. Galvanized Treatment: Surface galvanized for good corrosion resistance, suitable for general indoor and outdoor applications. Complete Specifications: Includes three common bolt/screw sizes: M3, M4, and M5, meeting the needs of various mechanical equipment and components. Matching Design: Bolts, screws, and nuts perfectly match, simplifying the installation process and improving assembly efficiency.