Simpson Strong-Tie SDWS22600DB-R50 Strong-Drive SDWS Timber Screw (Exterior Grade) — 0.220 in. x 6 in. T40, Tan (50-Qty)

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.