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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.Simpson Strong-Tie SDW Truss-Ply Screws are designed for high-strength fastening in double-ply trusses, studs, and other multi-ply wood assemblies. Whether you\’re reinforcing floor systems, framing a load-bearing wall, or tying together structural members, these screws provide the grip and holding power needed for code-compliant interior connections. Each screw features a sharp, self-starting tip that eliminates pre-drilling and drives fast into engineered or dimensional lumber. The oversized washer-style head delivers consistent clamping pressure to ensure strong, tight joints every time. Key Features: Engineered for Multi-Ply Wood Connections Ideal for fastening double trusses, headers, beams, and studs. Interior Grade Finish Perfect for dry, indoor environments like basements, workshops, and framing jobs. Self-Starting Tip Drives quickly and easily without pre-drilling, even into engineered wood. Large Washer Head Applies even pressure and resists pull-through, ensuring a secure hold.
