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Strong-Drive SDWS TIMBER Screw (Exterior Grade) 0.220 in. x 5 in. T40, Tan (600-Qty) The Simpson Strong-Tie Strong-Drive SDWS Timber screw is designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. This screw is ideal for the contractor and do-it-yourselfer alike. It is code listed in IAPMO UES ER-192 and meets IRC and IBC code requirements for most common wood framing applications. The double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated wood applications, as described in the evaluation report. Deck It Out Strong decks bring beauty and entertaining space to your outdoor living area Make Your Deck Beautiful and Safe Building a safe, strong deck starts with the proper connectors and fasteners Deck Building Tips and Tricks Installing corrosion-resistant connectors and fasteners helps extend the life of your deck Ledger connections critical for deck safety Strong-Drive SDWH Timber-Hex HDG screw delivers high-strength, wood-to-wood connectivity, such as deck ledger applications Guardrail Installation Tips and Tricks Don’t take chances with guardrail connections. DTT2Z deck tension ties fasten guardrails to deck framing. Securing the Deck to the House Install DTT1Z as a tension tie to meet building codes and eliminate the need to access to the floor joists inside the home Take the Step to Secure Deck Stairs LSCZ adjustable stair-stringer connector offers a concealed connection between the stair stringer and the carrying header or rim board
SawTooth point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
Bold thread design provides superior holding power
Underhead nibs allow for head to drive flush to surface with reduced splintering
Large low-profile washer head provides maximum bearing area (0.760-in. head dia.)
Size identification on all SDWS screw heads