Simpson Strong-Tie Strong-Drive® SDWS™ SDWS221000DB 0.22" x 10" Structural Screws, T40 6-Lobe Drive, Double-Barrier Coated, 250/Box

The 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 2018, 2021 and 2024 IRC and IBC code requirements for most common wood framing applications. For Structural Wood-to-Wood/Wngineered Including Ledgers, Mass Timber Connections Including CLT Wall-to-Wall, Floor-to-Floor, Surface Splines and Lap Joints

FEATURES

• • Bold thread design provides superior holding power
  • SawTooth® point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
  • Under head nibs allow for head to drive flush to surface with reduced splintering
  • Large washer head provides a large bearing area
  • 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-R2)
  • 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