Lock Nut Finish Zinc Plated Material Steel Material Grade/Class Grade 8 Thread Size 1 1/8 In.-12 Hex Width 1 5/8 in Hex Height 1 9/32 in Lock Type Nylon Insert Dimensional Standards ASME B18.16.6 System of Measurement Inch Hex Type Jam Hex Thread Direction Right Hand Pack Size Small Pack Package Quantity 5