Find the full Fastenmaster LOK line of structural wood screws here. We have the entire line available: FlatLOK, HeadLOK, LedgerLOK, TimberLOK, ThruLOK, and TrussLOK. These fasteners are a time saver and make any task that requires wood screws more efficient. We also carry bits that pair of perfectly with these fasteners. Find what you need here!