Practical M3 Countersunk Self Tapping Screws SS304 (Flat head) Description: These screws 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, wood 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. Screws have sharp threads that cut into a material such as soft metal sheet, plastic or wood. Used widely in the home and office appliance, wood furniture, repair and inventions. Specifications: Material: 304 stainless steel A: Pan head B: Flat head Size and Quantity: M3*6mm           25pcs M3*8mm           25pcs M3*10mm          25pcs M3*12mm          25pcs M3*14mm          25pcs M3*16mm          25pcs M3*18mm          25pcs M3*20mm          25pcs Package Includes: 200pcs x Self-tapping Screws  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.