Customized Serrated Hexagon Hex Head Flange Bolt A flange bolt is a type of bolt that is used to connect two flanges together. Flanges are flat or raised rims that are used to strengthen or support a structure or system. Flange bolts are commonly used with flange nut in piping systems, automotive and aerospace industries, and be uesd with hex nut in construction projects. The Flange Bolt for Pack is a type of flane bolt, specially used for packing.They come in different sizes and materials, such as stainless steel, carbon steel, and alloy steel. The Znic Plated Flange Bolt is one of the most common Flange Bolts. Flange bolts are designed to provide a secure and leak-proof connection between two flanges, and the Flange Bolts can used with Stainless Hex Flange Nuts.and they are usually tightened using a torque wrench to a specific torque value. this bolt can used with flat washer. Finished Zinc plated, w…