Acorn Nut, Steel, Zinc Finish, Grade 2, Thread Size 1/2-20, Thread Type UNC, Right Hand Thread Direction, Thread Depth 1/2 In, Width 3/4 In, Height 13/16 In, Rockwell Hardness B80/90, Package 10Features<ul><li>Item: Cap Nut</li><li>System of Measurement: Inch</li><li>Basic Material: Steel</li></ul>