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Product Description The Simpson Strong Tie Strong-Drive SDW Structural Wood Screw features 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. Optimal screw lengths provide maximum penetration while preventing the point from protruding out the back of the member. From the Manufacturer The Simpson Strong Tie Strong-Drive SDW Stuctural Wood Screw features 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. Optimal screw lengths provide maximum penetration while preventing the point from protruding out the back of the member.
Large washer head provides maximum bearing area; stamped with the Simpson Strong-Tie sign and fastener length for easy identification after installation (0.75-in. head diameter)
Deep 6-lobe T40 recess reduces cam-out, making driving easier
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 length provides maximum penetration while preventing the point from protruding out the back of the member
High shear values enable wide spacing, saving time and money
