Material: The M3 screws are made of nickel-plated materials with high-quality finishing, very durable. Materials are highly stable in air and can resist corrosion. To suit doors 35-60 mm thick. You will get 35 pieces screws and 35 pieces nuts, screws is 3x60mm, nuts is 3x16mm, with Bolt Connecting Sleeve Male to Female for Fixing Door Handle, Knobs Escutcheons.
eBay