Simpson Strong-Tie Strong-Drive SDWH Series SDWH27600GR30 Screw, 6 in L, Serrated Thread, Hex Drive

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The SDWH timber-hex HDG screw a 0.276 in Dia 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 in and 5/8 in HDG bolt/washer/nut assemblies (two screws for one bolt in many conditions) with the new Strong-Drive SDWH timber-hex HDG screw.