Caja surtida - Tornillos - Juego de 1200 piezas M2/M3/M4, tuercas de cabeza escalonada en negro mate, tornillos de cabeza cilíndrica hexagonal interna

Black surface treatment: with black oxidation treatment, good aesthetics and corrosion resistance. Suitable for the assembly of high-quality machines and electronics. Matching design: bolts, nuts, and washers perfectly matched. Simplify the installation process and improve assembly efficiency. Full specifications: includes M2, M3, and M4, three common specifications. Meets the needs of all kinds of small and medium-sized machines and electronic products.