Simpson 0.390 x 6 1/4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Molders giving installers and inspectors confidence

giving installers and inspectors confidence in the connection's structural performance

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Simpson 0.390 x 6 1/4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Molders giving installers and inspectors confidenceSimpson Strong Drive SDHR Combo Head Screw by Simpson is a heavy duty structural fastener engineered for cross laminated timber construction, mass timber construction, and general interior applications. At 6 1 4 in. long with a 0. 390 in. outer diameter, this partially threaded screw draws structural members tightly together while delivering excellent connection strength in demanding timber framing and wood to wood assemblies. The blue zinc interior