Features 1、Made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments 2、Ideal for use in confined areas where the head needs to be flush or below the surface 3、Fixing component, industrial and construction fasteners 4、Six common sizes and three optional types for general purpose use 5、Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry Specification 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 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. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. Specifications: Material: 304 stainless steel A: Pan head B: Flat head C: Truss head Size and Quantity: Screws: M4*6mm 25pcs M4*8mm 25pcs M4*10mm 25pcs M4*12mm 25pcs M4*16mm 25pcs M4*20mm 25pcs Nuts 100pcs Package Includes: 150pcs x Screws 100pcs x Nuts 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