The inclusion of a take-up washer (TUW) on the new SDWF structural wood screw from Simpson Strong-Tie allows easy attachment of upper and lower walls from the top, with an easy-to-install connection within the continuous uplift load path of the structure

Made of coated carbon steel, these screws were designed for use with composite and encapsulated-composite decking.

This 0.195-in. diameter wood screw — part of Simpson Strong-Tie’s Strong Drive SDW product line — is designed for structural and general-purpose fastening applications.

This expansion of Simpson Strong-Tie’s Strong Drive SDW wood screw product line is ideal for structural wood-to-wood applications, offering a high-strength alternative to traditional lag bolts.