The SDWH Timber-Hex HDG screw is a 0.275 in.-diameter hot-dip galvanized screw suitable for 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 in. and 5/8 in. HDG bolt/washer/nut assemblies
(two screws for one bolt in many conditions) with the Strong-Drive SDWH Timber-Hex HDG screw. 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.