Drive Type: Hex Socket; Head Style: Flat Head; Material: 10.9 Grade Carbon Steel. Thread Diameter: 1/4-20; Screw Length: 1/2"; Head Size: 12.8mmx4.1mm/0.5"x0.16"(D*H); Hex Socket Head Width: 4mm/0.16". [Material] Made of 10.9 grade carbon steel, it has high strength, rust resistance, oxidation resistance, and corrosion resistance, which can ensure long-term use.. [Advantage] Hexagonal socket head type, uniform force is not easy to slip, easy to use. Suitable for replacing old bolts at any time.. [Application] Widely used in woodworking and DIY jobs, the repair industry and power industry, aerospace industry, office equipment industry, petrochemical industry, electronics industry, communications industry, shipbuilding industry, machinery, etc..
