Engineered Wood is a heavy-duty connector from Simpson Strong-Tie engineered for structural composite lumber (SCL) header applications that demand high load capacity
The APB44DSP side plates are designed for use with nominal 4x and 4x rough lumber
making it suitable for standard dimensional lumber used in residential and commercial wood framing applications
as indicated by the "66" in the model name ECCQ66SS-SDS2
length at #7 screw size - provides reliable holding depth for deck board and trim fastening without overdriving or mushrooming the wood surface
Simpson #9 x 4" 305 SS Deck-Drive DWP Wood Screw, T20, Trim Head PACK:5 Lb Engineered Wood is a heavy-dutySimpson Deck Drive DWP Wood Screw in Type 305 Stainless Steel by Simpson is engineered for deck, dock, and general exterior wood fastening applications where reliable corrosion protection is essential. Featuring a trim head profile, T20 6 lobe drive, and sharp point tip, this #9 x 4" screw drives cleanly into wood decking, fascia, and trim boards with minimal splitting or surface damage. The Type 305 stainless steel construction resists rust and