1、Made of high quality 304 stainless steel, which provides strength and is commonly used when requiring rust protection properties 2、Ideal for use in areas where you need hex socket cap head screws 3、Fixing component, industrial and construction fasteners 4、4 options of common sizes and different quantities that you can choose for general purpose use 5、Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry Description: These screws and nuts sets are made of high quality 304 stainless steel, which provides strength and is commonly used when requiring rust protection properties. There are many length for your choice which can be commonly used in home and office appliance, machinery, furniture, repair and inventions. Features: Made of high quality 304 stainless steel, which provides strength and is commonly used when requiring rust protection properties. Ideal for use in areas where you need hex socket cap head screws. Fixing component, industrial and construction fasteners. 4 options of common sizes and different quantities that you can choose for general purpose use. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. Specifications: Material: 304 stainless steel Type: Hex socket cap head Optional Set: A. M3  300pcs B. M5  150pcs C. M6  120pcs D. M8   60pcs Set A Set B Set C Set D Screws M3 x 6mm     25pcs M5 x 10mm   15pcs M6 x 10mm   10pcs M8 x 10mm   5pcs M3 x 8mm     25pcs M5 x 12mm   15pcs M6 x 12mm   10pcs M8 x 12mm   5pcs M3 x 10mm   25pcs M5 x 14mm   15pcs M6 x 16mm   10pcs M8 x 16mm   5pcs M3 x 12mm   25pcs M5 x 16mm   15pcs M6 x 20mm   10pcs M8 x 20mm   5pcs M3 x 14mm   25pcs M5 x 20mm   15pcs M6 x 25mm   10pcs M8 x 25mm   5pcs M3 x 16mm   25pcs M5 x 25mm   15pcs M6 x 30mm   10pcs M8 x 30mm   5pcs Hex Nuts M3   50pcs M5   20pcs M6   20pcs M8   10pcs Flat Washers M3   50pcs M5   20pcs M6   20pcs M8   10pcs Spring Washers M3   50pcs M5   20pcs M6   20pcs M8   10pcs Total 300pcs 150pcs 120pcs 60pcs Package Includes: 1 Set x Screws, Nuts and Washers Note: 1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.