0.180" X 6-1/4" Simpson Strong-Tie SWD Double-Threaded Wood Screw - Double-Barrier Coating, Black, Pkg 500 Straight Shank Drill Bits Lumber Size: Intended for use

Lumber Size: Intended for use with Rough Cut 8x posts and beams

(26) #9 x 1-1/2" Strong-Drive SD Connector galvanized screws

or hardwood

while the hex washer head allows for increased driving stability

0.180" X 6-1/4" Simpson Strong-Tie SWD Double-Threaded Wood Screw - Double-Barrier Coating, Black, Pkg 500 Straight Shank Drill Bits Lumber Size: Intended for useThe Strong Drive SWD Double Threaded Screw is a high performance structural fastener engineered for exterior wood to wood applications, including deck ledgers and general framing. Double thread design and unthreaded mid shank, this screw delivers consistent clamping force while minimizing wood splitting and over driving. Crafted for demanding environments, it features a corrosion resistant double barrier coating, ensuring long term durability even in