Grip-Rite #10 x 2-1/2-in Wood To Wood Deck Screws (86-Per Box) in the Deck Screws department at Lowes.com
Deckmate Part # 212DMT10BK - Deckmate 2-1/2 In. Tan Exterior Self-Starting Star Flat-Head Wood Deck Screws #9 (10 Lbs./870 Pcs) - Deck Screws - Home Depot Pro
10 x 1-3/4" Cape Cod Gray Composite Decking Screws. Exterior Coated, Pressure Treated and ACQ Lumber Compatible. Use T20 Torx/Star Dive Bit (1 Pound ~132 Screws): Amazon.com: Industrial & Scientific