J Anchor Bolts are often used to secure walls to concrete. These round J hook bolts typically hook around rebar or another securing piece inside the concrete wall depending on how the engineer draws up their plans. Using Galvanized J Bolts involves embedding the bolt into wet concrete. Pair the J Hook Anchor bolts with matching Galvanized nuts and washers. J-shaped anchor bolts are used interchangeably with L-shaped anchor bolts, commonly used to anchor sill plates to the foundation of a structure.