Strong-Drive® SDWS TIMBER Screw (Exterior Grade)

Wood Structural and Engineered Wood Connections, Including Ledgers Engineered for effortless installation and superior strength, offering a convenient alternative to through-bolting and traditional lag screws. Ideal for both contractors and DIY enthusiasts, the Strong-Drive SDWS Timber screws are certified under IAPMO UES ER-192, meeting the stringent 2018 and 2021 IRC® and IBC® code requirements for most common wood framing applications.

Features:

• Strong thread design delivers superior holding strength
• SawTooth® point ensures swift starts, reduces installation torque, and eliminates the need for predrilling in most applications
• Under-the-head nibs enable the head to drive flush to the surface, minimizing splintering
• Large washer head provides ample bearing area
• Size identification is marked on all SDWS screw heads
• 6-lobe, T40 drive offers positive engagement, making driving the screw easy and enhancing bit longevity

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.