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.

• Brand Name: Simpson Strong-Tie
• Sub Brand: Strong-Drive
• Callout Size: No. 5 Sizes
• Length: 4 in.
• Drive Style: Star
• Head Type: Low Profile Head
• Product Type: Structural Screws
• Container Size: 2.5 lb
• Number in Package: 50 pk
• Driver Bit Included: Yes
• Color: Tan
• Indoor or Outdoor: Outdoor
• Diameter: 0.22 in.
• Self Drilling: Yes
• Finish: Double-Barrier Coating
• Packaging Type: Clamshell
• Thread Type: Bold
• Application: Structural wood-to-wood connections including ledgers
• Material: Stainless Steel
• 6-lobe T-40 drive reduces driver-bit cam-outs, resulting in easier installations and longer bit life
• Under-head nibs offer greater control when seating the head
• Bold thread design provides superior holding power
• Large washer head provides maximum bearing area
• Size identification on all SDWS screw heads
• Patented 4CUT tip ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications