Coupling Nut Material Grade/Class 18-8 Material Stainless Steel Finish Plain Thread Size 1/2 In.-20 Thread Style Fully Threaded Hex Width 5/8 in Overall Length 1 1/4 in Dimensional Standards ASME B18.2.2 Material Quality Standards ASTM A582 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Package Quantity 2