Replacement Expander Nut, Thread Size 3/4 in, Material Zinc Alloy, Finish Zinc Plated, Material Grade/Class Grade 5, System of Measurement Inch, Compatible Anchor Type Bolt Anchors, Features Bolt Can Be Removed and Re-Used with a New Nut After Cleaning and Lubricating the Threads, Outside Diameter 0.75 in, Series Taper Bolt, Package Quantity 50