Choose from our selection of hex coupling nuts, including low-strength steel coupling nuts, 18-8 stainless steel coupling nuts, and more Metric Coupling Nut For Threaded Rod Pack Of 10 M10 X 1.5-Pitch 25mm Length Metric Hex Coupling Nut 304 M12 Coupling Nut Material: Carbon steel; Surface Treatment: Zinc Plated, Good rust and Durable. Standard: GB Metric Right Hand; Package include Size Name:M12 x 38mm Specification: Product Name: Hex Coupling Nut Material: Galvanized iron Thread Size: M12 - 1., 75 Hex Width: 15mm / 0., 59 Length: 38mm / 1., 5 Package Content: 5 pcs x Hex Coupling Nut Description: 1., This rod coupling is designed with female thread and hex rod., 2., Installed with sleeve anchor, wedge anchor and all thread rod, etc., 3., Made of high-quality iron material, the surface is galvanized, which can effectively prevent the corrosion caused by iron oxidation and can adapt well to the humid environment., Pitch(P): 1., 75 , Hex Width: 15mm / 0., 59 , Thread Length: 38mm / 1., 5 M12 X 1.75mm Pitch Zinc Plated High Tensile 8.8 Bolt Wrench Size 19mm ) I.311790211 Made of galvanized iron, good rust and durable.