Panel Nut Finish Zinc Plated Material Grade/Class Not Graded Material Steel Thread Size 5/8 In.-27 Hex Width 3/4 in Overall Height 1/8 in System of Measurement Inch Thread Direction Right Hand Application Electrical Switch Mounts Outside Diameter 3/4 in Pack Size Small Pack Rockwell Hardness C32 Ma x Shape Round Surface Texture Knurled Package Quantity 2