The Strong-Drive SDW EWP-Ply screw is a high-strength structural wood screw specifically designed for fastening multi-ply wood members, such as engineered wood products and solid sawn lumber. The SDW EWP-Ply installs easily with no predrilling and is available in optimized lengths for fastening 1-3/4 in. engineered lumber, such as structural composite lumber (SCL). The large, flush head eases the handling of assembled girders and simplifies the installation of finishes or structural connectors. It is code listed under IAPMO-UES ER-192 and meets 2015 and 2018 IRC® and IBC® code requirements for several common wood framing and engineered-wood applications. Strong-Drive® SDW EWP-PLY Screw — .220 in. x 6-3/4 in. T40 6-Lobe, E-coat® (50-Qty) (Pack of 320).