Simpson #10 x 2-1/2 Black Deck-Drive DSV Wood Screw, T25 DSVBK212 PACK:240 Pk 5S stiffener made from

5S stiffener made from

making it suitable for heavy-duty double-joist structural applications

Install with (12) 3/4-in

which applies to 2x4 or thicker walls

Rod diameter: 3/4 in

Simpson #10 x 2-1/2 Black Deck-Drive DSV Wood Screw, T25 DSVBK212 PACK:240 Pk 5S stiffener made fromSimpson Deck Drive DSV Wood Screw, #10 x 2 1 2 in., Black by Simpson Strong Tie is a purpose engineered fastener designed for preservative treated wood decking applications. Featuring a variable thread design, rimmed flat head with underhead nibs, and a fast start high low threaded point, this black deck screw drives cleanly and countersinks flush for a finished appearance on wood deck boards. The Quik Guard coating delivers corrosion resistance