Home » Tender for Supply Of A Set Of Fasteners Including Hex Head Screws, Hex Nuts, Thin Nuts, And Plain Washers, All Made Of Steel And Zinc Passivated, Conforming To Specific Indian Standards. Hex Head Screw M16 X 50-8.8-a3l, Hex Nut M16, Hex Thin Nut M16, Plain Washer A1, India