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 the 2012 and 2015 IRC and IBC code requirements for several common wood framing applications.

• Brand Name: Simpson Strong-Tie
• Sub Brand: Strong-Drive
• Callout Size: No. 12
• Length: 4 in.
• Drive Style: Star
• Finish: Corrosion Resistant
• Product Type: Wood Screws
• Number in Package: 1 pk
• Indoor or Outdoor: Indoor and Outdoor
• Thread Type: Self-Tapping
• Material: Steel
• Packaging Type: Boxed
• Head Type: Washer Head
• Self Drilling: Yes
• Head Diameter: 0.750 in.
• Shank Diameter: 0.220 in.
• Thread Length: 2-3/8 in.