Fasteners

Simpson Strong Tie SDWS22400DBB-R50 SDWDBB 4" Timber Screw, 50 Pack – Black

STORE SKU:707392026273
Manufacturer No:SDWS22400DBB-R50
$59.99
Out of stock
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Product description

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

  • Bold thread design provides superior holding power
  • SawTooth® point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
  • Underhead nibs allow for head to drive flush to surface with reduced splintering
  • Large washer head provides a large bearing area
  • Size identification on all SDWS screw heads
  • 6-lobe T40 drive provides positive engagement that makes the screw easy to drive and improves bit life (replacement driver bit — BIT40T-134-R2)
  • Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated wood applications, as described in the evaluation report

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