Simpson Strong-Tie SDWH19400DB-R50 4 Structural Wood Screw -Exterior 50ct

Product Description Simpson SDWH Exterior Double Barrier 5/16-Inch Hex Head 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 5/16-Inch hex driver. Optimal screw lengths provide maximum penetration while preventing the point from protruding out the back member. From the Manufacturer Simpson SDWH Exterior Double Barrier 5/16-Inch Hex Head 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 5/16-Inch hex driver. Optimal screw lengths provide maximum penetration while preventing the point from protruding out the back member.