: Product Material: Carbon Steel Surface Treatment: Galvanized Type: M8*12*25 Package List: 30 x Hex Nut High Durability: These hex nuts are made of high tensile galvanized carbon steel, the zinc caps have a good corrosion resistance and long service life. Sophisticated production, excellent quality, good performance, high working efficiency and easy operation. Good Replacement: These hex nuts will be a good substitute for industrial and construction fasteners. Easy to use: the hexagon thread sleeve nut is easy to use and install, and inexperienced people can quickly master its use. High practicality: the threaded sleeve nut is used to assemble bolts, studs or machine screws to fasten two parts together so that they become one part. Scope: The long shank nut is widely used in household and office electrical appliance, communication equipment, ship assembly and other machinery industry, made with premium material and professional process, perfect replacement the old and the broken Functions: 1. These hex nuts are made of galvanized carbon steel, which has good corrosion resistance and zinc plating. The hexagonal shape has 6 sides, which gives good granularity of the angles from which a tool can approach. 2. These hex nuts are the perfect replacement for industrial and construction fasteners. 3. Widely used in household and office appliances, communication equipment, ship assembly and other machinery. 4. For attaching bolts, studs or machine screws to join two parts into one piece.