Hi HomeDepotCustomer, this is Colin from Simpson Strong-Tie. The BP 5/8-3 has a .687" diameter hole to accommodate a 5/8" diameter rod. That should be stamped on the bearing plate. Please contact Home Depot for a return and or replacement. If you need more information or have additional questions regarding the product itself, please contact the Simpson Strong-Tie Customer Service team at 800-999-5099. Thank you.