Simpson Strong-Tie 0.669" x 4" SDHR Metal-To-Wood Combo-Head Screw - Black E-Coat, Qty. 25 E Tracks & Load Straps #8 sizes have buttress threads

#8 sizes have buttress threads and new dog-eared point to improve drilling through sheathing and metal

Use a power driver with a #2 Phillips bit

also referenced as SAGE6610G

The Simpson ABU66SS 6x6 Stainless Steel Adjustable Post Base is designed to securely attach wood posts to existing concrete

Its flat-profile design accommodates multiple fittings without bunching

Simpson Strong-Tie 0.669" x 4" SDHR Metal-To-Wood Combo-Head Screw - Black E-Coat, Qty. 25 E Tracks & Load Straps #8 sizes have buttress threadsThe 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