Standard metric: Our M6 hex head screws conform to the standardized metric system.The average error is less than 0.01 mm.The screw thread is very sharp, clean and precise without burr.The compact and powerful screw thread is not easily deformed or slipped when rolling and installing.The deep and transparent hexagonal head cap can make you easier and improve your work efficiency..Good storage: All screws will be packed in a durable and sturdy box to effectively support the weight of the package.The box has removable dividers. Its portable design allows you to take it wherever you want to go.And like the product diagram, you will quickly find the screw model you need, which will improve your work efficiency.Materials: The screws are made of high quality 304 stainless steel (raw material).Premium 304 stainless steel material is strong and has good corrosion resistance in harsh environments, such as high temperature, cold and high humidity. They have superior rust resistance and excellent weather resistance.oxidation, which can ensure long service life and extend the life of screws.Wide application: M6 hex head screw for a wide range of uses and purposes for professionals, amateurs, homeowners, other DIY projects and DIY enthusiasts. The kit has different sizes, which can meet your needs to the greatest extent..Excellent for use in confined spaces as fasteners, industrial and construction fasteners. Widely used in home and office, furniture and other industrial machinery.