A flange screw nut, also known as a flange bolt, is a type of fastener used to connect two flanges together. They are typically used in piping systems to connect flanged pipes, valves, and fittings. Flange screw nuts are available in a range of sizes and materials, including carbon steel, stainless steel, and alloy steel. They are usually tightened using a torque wrench to ensure that the connection is secure and leak-free.
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