Simpson Strong-Tie SDWS22400DB-R50 Exterior Screw, 4, Tan

Simpson SDWS Exterior Double Barrier 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.

Highlights:

• High strength alternative to through bolting & traditional lag screws.
• Bold thread design for superior holding power. 
• 4Cut tip for fast starts eliminates pre-drilling.
• Large flat washer head (T40 recess) for easier setting.
• Sets flat in work surface.
• Clamshell with bit.
• Length: 4.
• Thread size: 0.22.
• Quantity: 50.