• Home
  • Simpson Strong-Tie #9 x 2-1/2" Mechanically Galvanized Screw (100 Per Box)


Image for Simpson Strong-Tie #9 x 2-1/2
+ / - Hover over image to Zoom
Other Views

Simpson Strong-Tie #9 x 2-1/2" Mechanically Galvanized Screw (100 Per Box)

Brand: Simpson Strong-Tie Mfg#: SD9212R100
Product#: 137SD9212R10
Based on Product Sourcing
Free UPS Ground Shipping on this Item!

Please Login to receive Special Pricing
Not Registered? Create an Account


The SDWH Timber-Hex HDG screw a 0.276"-diameter hot-dip galvanized screw suitable for heavy-duty marine and coastal applications. The SDWH Timber-Hex HDG screw has a SawTooth™ point and oversized integral washer that makes for fast installations; no predrilling or separate washer needed. Speed up your next pile job by replacing 3/4" and 5/8" HDG bolt/washer/nut assemblies (two screws for one bolt in many conditions) with the new Strong-Drive SDWH Timber-Hex HDG screw. It is code listed under IAPMO-UES ER-192 and meets 2012 and 2015 IRC® and IBC® code requirements for several common wood framing applications.


  • Patented serrated threads and sharp point make driving easier
  • Shank is specifically designed to match the fastener holes in simpson strong-tie connectors
  • Specifically designed to replace nails in certain simpson strong-tie connectors, and is the only screw approved for that application, the NO 9 and NO 10 sd screws replace 10d and 16d nails respectively
  • Tested and approved for use in many of our best-selling connectors for both interior and exterior applications
  • Optimized heat treating for ductility and strength
  • Ideal for use in connector applications where more control is desired or using a hammer is inconvenient


  • Brand: Simpson Strong-Tie