FastenMaster now offers flathead versions of its LedgerLok structural screws. The code-compliant LedgerLok Flat Head was engineered to fasten a deck ledger board to a house rim with no predrilling. Its built-in washer head eliminates the need for an additional washer, and its internal Torx ttap drive system installs flush to the ledger surface. A three-step coating process protects against corrosion. Pricing ranges from $21 for a 12-pack of 3 5/8-inch screws to $194 for a bucket of 250 5-inch screws.

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