Description: Durable Material: Made of carbon steel, the coupling nuts have a smooth surface without burrs, and are corrosion-resistant and high-temperature resistant. It has high hardness, is strong and durable, and is not easy to deform.
Description: Durable Material: Made of carbon steel, the coupling nuts have a smooth surface without burrs, and are corrosion-resistant and high-temperature resistant. It has high hardness, is strong and durable, and is not easy to deform.