Description:1. Material: The socket head cap screw is made of carbon steel, black oxide coating finish, it has high strength, rust resistance, oxidation resistance and corrosion resistance, which can ensure long-term use.2. Advantage: Hexagonal socket head type, uniform force is not easy to slip, easy to use. Suitable for replacing old bolts at any time.3. Application: Widely used in woodworking and DIY jobs, fasteners for the furniture, repair industry, etc.Specification:Product Name: Color: Material: Finish: Processing Technology:Thread Diameter: Rod Length(Under Head): Thread Pitch: Inner Hex Width: Screw Head Size: Package Content: