Buy nuts, bolts, spacers, and standoffs online in India at Zbotic. Our fastener collection includes M2, M2.5, M3, M4, and M5 screws in various lengths, along with matching nuts, washers, nylon standoffs, brass PCB spacers, and socket head cap (Allen) bolts. Available in steel, stainless steel, nylon, and brass materials. Essential hardware for assembling electronics enclosures, mounting PCBs, building robots, and mechanical projects.