Simpson Strong-Tie SDWH19300DB-R50 3 Structural Wood Screw -Exterior 50ct

Product Description Simpson Strong-Drive structural wood screws. High-strength alternative to through-bolting and traditional lag screws. Bold thread design provides superior holding power. Patented 4CUT tip to ensure fast start and reduced installation torque, eliminating pre-drilling in most applications. Large head provides maximum bearing area. Double-barrier coating makes screw suitable for exterior and preservative-treated wood applications. Bit included in package. Screw diameter: 0.195" with large hex head drive. 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.