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. Features: Hex rod coupling nuts feature a fully threaded through-hole design for smooth engagement and easy installation onto the bolt from either side. The hexagonal design provides a secure grip for the wrench, preventing slippage and deformation.Easy Installation: The coupling nut is easy to install, just tighten it with a wrench to assemble and connect the two parts, be careful not to over-tighten.
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