Description:1. Material: The hanger bolt is made of carbon steel, with a electroplating finish, providing great corrosion resistance and antirust ability for long service life.2. Advantage: This dowel screws both ends are self-tapping threads, typically used for joining two pieces of wood, to provide a solid connection. Please pay attention to the size when purchasing, it is recommended to drill small holes before screwing in the wood.3. Applications: Double-end self-tapping screw is suitable for outdoor furniture, household furniture, stair post, wooden guardrail, solid wood furniture, custom furniture, office furniture, etc.Specification:Product Name: Hanger BoltMaterial: Carbon SteelFinish: ElectroplatingPerformance Level: 4.8Total Length(+/-2mm): 100mm / 3.94"Single Side Thread Size: 8 x 46mm / 0.31" x 1.