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Product Details
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.

Key Features
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

Applications
Structural wood-to-wood/engineered including ledgers; mass timber connections including CLT wall-to-wall, floor-to-floor, surface splines and lap joints

PRODUCT SPECIFICATIONS
Model No. SDWS22800DB - 400CT Bucket
Double-Barrier Coating
Length (in.) 8
Head Diameter (in.) 0.760
Shank Diameter (in.) 0.220
T40 6-Lobe
Washer Head
Thread Length (in.) 3
SawTooth® Point