Simpson #9 x 4" 305 SS Deck-Drive DWP Wood Screw, T20, Trim Head PACK:5 Lb The seat extends beyond one

The seat extends beyond one side of the column to provide additional bearing surface area

MPN: STB2-75434R10

Do these screws require pre-drilling when installing into hardwood deck boards

75" L x 28" W x 22

SSNA10DB: 3000 Pk

Simpson #9 x 4" 305 SS Deck-Drive DWP Wood Screw, T20, Trim Head PACK:5 Lb The seat extends beyond oneSimpson 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