Simpson Strong-Tie SDWH27400G Screw, 0.276 in Thread, 4 in L, Serrated Thread, Washer Head, Hex Drive, Saw Tooth Point

The SDWH timber-hex HDG screw is a 0.276 in Dia hot-dipped galvanized screw suitable for marine and coastal applications. The SDWH timber-hex HDG screw has a saw tooth point and oversized integral washer that makes for fast installations, no pre-drilling or separate washer needed. Speed up your next pile job by replacing 3/4 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 under IAPMO-UES ER-192 and meets 2015 and 2018 IRC® and IBC® code requirements for several common wood framing applications.