0.235" X 8-1/2" Simpson Strong-Tie SWD Double-Threaded Wood Screw - Double-Barrier Coating, Black, Pkg 30 Side-by-Side Strut Channel The QDHSD75 Wood-To-Steel Fastening Attachment

The QDHSD75 Wood-To-Steel Fastening Attachment features-

fire sprinklers and suspended lighting into concrete

these screws also provide dependable corrosion protection

This feature maximizes resilience and reduces the potential for hydrogen embrittlement

(4) SDWS22312DBB Structural Screws

0.235" X 8-1/2" Simpson Strong-Tie SWD Double-Threaded Wood Screw - Double-Barrier Coating, Black, Pkg 30 Side-by-Side Strut Channel The QDHSD75 Wood-To-Steel Fastening AttachmentThe 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