Product Name: Brass Hex Head Bolts; Performance Grade: 4.8; Thread Size: M12x100mm / M12x3.94"(D*L); Pitch: 1.75mm; Hex Head Width: 19mm / 0.75"; Hex Head Thickness: 7mm / 0.28"; Package Content: 1pcs x Brass Hex Bolts Material: The hex bolt is made of brass, compared with other metal elements, the brass has good conductivity and thermal conductivity, corrosion resistance and wear resistance. Advantage: The thread teeth are deep, neat and clear, and the force is uniform and not easy to slip, it can be disassembled and reused many times. Application: Brass bolts are mainly used for electrical appliances, electronic components, etc., and can also be used as building materials. Because of their good conductivity, they are widely used in the communication industry and are also widely used in the electrical, light industry, machinery manufacturing, construction industry, etc. Installation: Hex bolt is usually used with matching nuts and washers, and a wrench is required for installation. (Accessories are not included in the package.)