Lock Nut Finish Plain Material Stainless Steel Material Grade/Class 18-8 Thread Size 5/8 In.-11 Hex Width 1 1/16 in Hex Height 3/4 in Lock Type Nylon Insert Dimensional Standards ASME B18.16.6 System of Measurement Inch Hex Type Heavy Jam Hex Thread Direction Right Hand Pack Size Small Pack Package Quantity 10