Simpson Strong-Tie

Strong-Drive® SDWS TIMBER Screw 0.275" x 8" T50, 316 Stainless SDWS27800SS-R30, 30/Box

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  • Fast installation — no predrilling, no counterboring, no heavy-duty equipment needed
  • Greater withdrawal resistance vs. spikes
  • SawTooth® point for fast starts and less driving torque — without predrilling
  • Heavy-duty 0.275-in. diameter shank provides strength and durability
  • Large 0.650-in. diameter, flat washer head with nibs provides load-bearing area and seats flush with surface
  • Deep T50, 6-lobe recess for fewer cam-outs
  • Mid-shaft knurl aids in torque reduction
  • Length: 8 in.
  • Type 316 stainless steel provides corrosion resistance even in severe conditions
  • Quantity: 30
Products specifications
Box Qty30
Material316 Stainless Steel
* Values shown are average ultimate values and are offered only as a guide and are not guaranteed. A safety factor of 4:1 or 25% is generally accepted as a safe working load

The information on this page is intended for preliminary guidance only. For complete safety and to verify accurate information, please consult the (PDF linked below) to obtain the manufacturer’s values when selecting the anchors for your project.

Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. The Strong-Drive SDWS Timber screw is ideal for the contractor and do-it-yourselfer alike. It is code listed under IAPMO UES ER-192 and meets 2018 and 2021 IRC® and IBC® code requirements for several common wood framing and engineered-wood applications.

Application List

  • Fastening Wood-to-Wood
  • Corrosive Environments
  • Marine
  • Dock and Boardwalk
  • Pier Restoration
  • Mass Timber / Cross-Laminated Timber
  • Coastal / Salt Air

Link Image Catalog PDF Page 60

Link Image Product Information (on Simpson Website)

Package information
9.75 in. x 3.0625 in. x 3.8125 in.,  4.8 lbs.

California Prop 65 WARNING! Cancer

Carton Reference 10707392002847

Pallet Reference 50707392002845

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Additional Information

Box Qty:
316 Stainless Steel
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