Lock Nut, Finish Zinc Plated, Hex Type Flange Hex Top Lock, Hex Width 11/16 in, Lock Type Top Lock Distorted Thread, Material Steel, Material Grade/Class Grade A, Pack Size Bulk Pack, Rockwell Hardness B68 to C32, System of Measurement Inch, Thread Direction Right Hand, Thread Size 7/16 In.-14, Package Quantity 650