Simpson Strong Tie 5 Structural Screws Drive Head SDWS22500DB-R50

Designed to provide an easy to install, high strength alternative to through bolting and traditional lag screws. The strong drive SDWS timber screw is ideal for the contractor and do it yourselfer alike. It is code listed under IAPMO UES ER-192 and meets 2012 and 2015 IRC and IBC code requirements for several common wood framing applications.