The Strong-Drive SDW screw is a 0.22 inch diameter， high-strength structural wood screw specifically designed for fastening multi-ply wood members such as plated trusses， engineered-lumber products and solid-sawn lumber. The SDW installs easily with no pre-drilling and is available in optimized lengths for fastening 2， 3 and 4-ply trusses or 1 3/4 inch engineered lumber. The SDW enables single-side fastening， while still allowing concurrent loading on both sides of the assembly to the full allowable head or tip-side load of the fastener.

• Brand Name: Simpson Strong-Tie
• Callout Size: No. 10
• Length: 3 in.
• Drive Style: Star
• Finish: E-Coat
• Product Type: Wood Screws
• Number in Package: 50 pk
• Indoor or Outdoor: Outdoor
• Thread Type: Bold
• Material: Carbon Steel
• Packaging Type: Boxed
• Head Type: Round Head
• A high-strength structural wood screw designed with a shorter thread length to fasten multi-ply members such as plated trusses， engineered-lumber products and solid-sawn lumber
• Deep 6-lobe recess reduces cam-out， making driving easier
• Large washer head provides maximum bearing area stamped with the Simpson Strong-Tie and fastener length for easy identification after installation
• Low-profile head results in less interference after installation makes stacking and sliding members easier and allows installation of hardware and finishes to be virtually flush
• Optimal screw lengths provide maximum penetration: Optimal screw lengths provide maximum penetration while preventing the point from protruding out the back of the member