Description: These screws and nuts are made of 304 stainless steel, which is resistant to rust and corrosion.There are many length in one set which can be commonly used in home and office appliance, machinery, furniture, repair and DIY inventions. Features: Made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments. Ideal for use in confined areas where the head needs to be flush or below the surface. Fixing component, industrial and construction fasteners. Six common sizes and three optional types for general purpose use. Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry. Specifications: Material: 304 stainless steel Type(optional): A: Cap head B: Button head C: Flat head Size and Quantity: Screws: M3 X 8mm 25pcs M3 X 10mm 25pcs M3 X 12mm 25pcs M3 X 14mm 25pcs M3 X 16mm 25pcs M3 X 18mm 25pcs M3 Hex Nuts 50pcs M3 Flat Washers 50pcs M3 Spring Washers 50pcs Package Includes: 150pcs x Screws 50pcs x Nuts 100pcs x Washers Note: 1. Please allow 1-3mm 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. Package List 1Made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments 2Ideal for use in confined areas where the head needs to be flush or below the surface 3Fixing component, industrial and construction fasteners 4Six common sizes and three optinal types for general purpose use 5Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry