Material and quality: Hexagon nuts are made of zinc-carbon steel, which has good corrosion resistance. Good design: The long thin threaded rod is hexagonal with 6 sides to provide good angular granularity for the approaching cutter. Features and artifacts: The threaded rod connector is used to fix bolts, bolts or machine screws, so as to fix two parts together to form one part. More choices: M6 hexagon nuts include three different types, which can meet your needs and will be an ideal substitute for industrial and construction fasteners. Widely used: Hexagon bowls are widely used in industrial machinery such as household and office equipment, communication equipment and ship assembly. size: M6*10*18 color: silver quantity: 20 pieces