Ledger boards that pull away from the wall, railings that rock under load, or machinery that shifts on its base - these are the failures that come from anchors that weren't sized for the job. The bolt you set is the only thing standing between that ledger and the code inspector.1/2-13 thread x 10-inch overall length. Hot-dip galvanized for corrosion resistance in exterior and moisture-exposed applications. UNC threads accept standard 1/2-13 nuts and washers - hardware that's universally available. 10-inch embedment provides adequate hold in standard concrete when paired with the right epoxy or sleeve anchor system. Sized for ledger anchoring, column base plates, and equipment anchoring where a rated structural connection is required.Standard on structural anchoring and rough-in work across Stocked at Crofton Lumber and Akron Lumber.