Simpson Strong-Tie SDWS22500DBMB 5" x .220 Timber Screws

OVERVIEW: Strong-Drive SDWS TIMBER Screw (Exterior Grade) 0.220 in. x 5 in. T40 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. KEY FEATURES: 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 offer greater control when seating the head Large low-profile washer head provides maximum bearing area (0.75" head dia.) Size identification on all SDWS screw heads 6-lobe T40 drive provides positive engagement that makes the screw easy to drive and improves bit life (replacement driver bit — BIT40T-134-RC) U.S. Patent 9,523,383