Screws in Stainles Steel A2. The screws are intendend for fastening the doors and go through 2,5 mm sheet metal. It is used for door fastening and the force must endure minimum 80 kg. According to customer information underhead geometry is used to cut more into the sheet metal. The customer also asked us whether it is possible to have deeper threads for better grip. Quantity: 120.000 pcs