Simpson #12 x 3-1/2" Strong-Drive DWP WOOD Screw Flat Head, 316 Stainless Steel Hickey Bar Coarse threads - draw the

Coarse threads - draw the decking board tightly and securely against the framing for a firm

The bolt spacing is designed to meet NDS code requirements to ensure optimal structural performance

and a robust variable-speed spindle drive

What shank type does this drill bit use

Simpson #12 x 3-1/2" Strong-Drive DWP WOOD Screw Flat Head, 316 Stainless Steel Hickey Bar Coarse threads - draw theThe Simpson Strong Drive DWP Wood Screw in #12 x 3 1 2", Type 316 Stainless Steel with a Flat Head is a load rated structural fastener engineered for demanding exterior applications where corrosion resistance and proven holding strength are non negotiable. Designed for use on decks, docks, boardwalks, and other structures exposed to moisture, salt air, and severe corrosive environments, this wood screw delivers the durability and confidence that