Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Grind / Sand / Polish and trim exposed to moisture

and trim exposed to moisture and weather

T25 6-lobe drive for secure

making this saw suitable for full-day framing work without repeated battery swaps

What finish options are available for this hanger

38/12 reflects Simpson Strong-Tie's commitment to precision forming

Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Grind / Sand / Polish and trim exposed to moistureThe Simpson Strong Drive SDHR Combo Head Screw is a heavy duty structural fastener engineered for cross laminated timber construction, mass timber assemblies, and general interior applications. Built with a partially threaded shank and a robust 0. 390 in. outer diameter, this blue zinc coated screw is purpose built to draw structural members tightly together while delivering exceptional connection strength in engineered wood and modular construction