FastenMaster LedgerLok No. 12 X 5 in. L Star Flat Head Structural Screws 50 pk

LedgerLok flat head is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. LedgerLok replaces lag screws and through-bolts, has been coated with a proprietary three-step coating process that protects against corrosion (even in pressure treated wood) and is ACQ approved.