Features These hex nuts are made of galvanised carbon steel material, which ensures strength, and the zinc cover provides good corrosion resistance. Used to mount bolts, bolts or machine screws to connect two parts into one piece. Widely used in household and office appliances, communication equipment, ship assembly and other machinery industry. These hex nuts are a great replacement for fasteners in industry and construction. The hexagonal shape has 6 sides that provide good granularity of the angles from which a tool can be approached. Features: 1. These hex nuts are made of galvanised carbon steel material, which ensures strength, and the zinc cover provides good corrosion resistance. 2. The hexagonal shape has 6 sides, which gives a good grain of angles for a tool to approach. 3. These hex nuts are a great replacement for industrial and construction fasteners. 4. Widely used in household and office appliances, communication equipment, ship assembly and other machinery industry. 5. Used to attach bolts, stud bolts or machine screws to attach two parts together to make them one piece. Specification: Condition: 100% Brand New Product material: carbon steel. Surface treatment: galvanised. Quantity: 5 pieces. Type: M6 x 40. Package list: 5 x spacing. Package List