Simpson SWD18614DBB-R50 0.180" X 6-1/4" SWD Double-Threaded Wood Screw - Black, Pkg 50 Stainless Steel Deck Screws Its top-flange design installs flush

Its top-flange design installs flush with the top of the carrying member

these bolts offer dependable performance and compatibility with standard hex nuts and washers

Flat Head Design – Countersinks cleanly for a flush

Material: 316 Stainless Steel for maximum corrosion protection

ensuring full penetration

Simpson SWD18614DBB-R50 0.180" X 6-1/4" SWD Double-Threaded Wood Screw - Black, Pkg 50 Stainless Steel Deck Screws Its top-flange design installs flushThe 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