Simpson Structural Screws SDW22338MB .22-Inch by 3-3/8-Inch with 1-9/16-Inch...

Simpson SDW Structural Wood Screws are designed with a shorter thread length to fasten multi-ply members such as trusses, engineered lumber products and solid-sawn lumber. Large washer head provides maximum bearing area and deep 6-lobe recess reduces cam-out. Requires type T-40 bit. Optimal screw lengths provide maximum penetration while preventing the point from protruding out the back member.

Simpson SDW Structural Wood Screws are designed with a shorter thread length to fasten multi-ply members such as trusses, engineered lumber products and solid-sawn lumber. Large washer head provides maximum bearing area and deep 6-lobe recess reduces cam-out. Requires type T-40 bit. Optimal screw lengths provide maximum penetration while preventing the point from protruding out the back member.

• Type T-40 Bit required with deep 6-lobe recess to prevent cam-out
• Low-profile heads allow hardware installation to be virtually flush
• Head is stamped with Simpson Strong Tie Stamp and fastener length for easy identification
• Bold thread design provides superior holding power and cInches fastened members together for consistent installation
• 1-9/16-Inch thread length and recommended installation with a low-speed 1/2-Inch drill and T-40 bit