Simpson Strong-Tie 0.669" x 6-1/4" SDHR Metal-To-Wood Combo-Head Screw - Black E-Coat, Qty. 100 Turnbuckles Fire-rated assemblies and rated ceilings

Fire-rated assemblies and rated ceilings

otherwise the working load limit will be reduced

These concrete forming pins work best with Simpson Strong-Tie powder-actuated tools but are also compatible with many other competing tool brands

and streamlined setup are critical

and excellent cold-weather performance

Simpson Strong-Tie 0.669" x 6-1/4" SDHR Metal-To-Wood Combo-Head Screw - Black E-Coat, Qty. 100 Turnbuckles Fire-rated assemblies and rated ceilingsThe Simpson Strong Tie SDHR Combo Head screw is built for speed, strength, and versatility in fastening cold formed steel (CFS) to wood. Designed for indoor applications, this self drilling screw features a #3 drill point that quickly penetrates steel up to 16 gauge thick, making it a reliable choice for contractors working in light framing, mechanical fastening, or general construction jobs. Its combo head design allows installation with either a