Description:

Thread Diameter: 1/4-20; Rod Length(Under Head): 3/4"; Head Size: 9.4 x 6.3mm / 0.37" x 0.25"(D*H); Hex Socket Head Width: 4.8mm / 0.19". Product Name: Hex Socket Head Bolt; Color: Black; Material: 12.9 Grade Alloy Steel; Finish: Black Oxide; Processing Technology: Cold Forging+Thread Rolling. Material: Made of 12.9 grade alloy steel, black oxide finish, 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, fasteners for the furniture, repair industry, etc..