Coupling Nut Material Grade/Class Grade 2 Material Steel Finish Zinc Plated Thread Size 5/8 In.-11 Thread Style Partially Threaded Hex Width 1 1/8 in Overall Length 5 in Dimensional Standards ASME B18.2.2 RoHS Compliant Material Quality Standards SAE J995 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Package Quantity 2