Simpson Strong-Tie Strong-Drive No. 2 Sizes X 6 in. L Star Hex Washer Head Serrated Structural Screw

The Strong-Drive SDWH Timber-Hex HDG screw is a hot-dip galvanized fastener suitable for heavy-duty marine and coastal applications. It’s ideal for use in structural pilings, piers, docks, boardwalks and offers the lowest installed cost for comparable pile solutions on the market. No longer do you need to purchase expensive auger drill bits, separate washers, nuts or bolts. Installation time is faster because you install only from one side and no predrilling is required.Burly 0.276\ shank diameter for heavy-duty structural applications,ASTM A153 Class-C hot-dip galvanized coating suitable for coastal and marine environments,Oversized 0.93\-diameter integral washer eliminates the need for a separate washer,Length: 6 in.,ASTM A153 Class-C hot-dip galvanized coating suitable for coastal and marine environments