Simpson Collated 2-1/2" DHPD Hardwood Deck Screw 305 StainlessModel No. SSDHPD212S Coating Material. Type 305 Stainless Steel Screw Size #10 Length (in.) 2 1 2 Head Diameter (in.) 0. 270 Drive Type. #2 Square Head Type. Compact Head Point Type. Paddle Point Color. None Compatible Tools. Quik Drive PRO300SG2 Packaging Qty. 1000 The Deck Drive DHPD Hardwood screw is specially designed to penetrate the hardest wood products with ease. With its unique paddle style drill point, it virtually eliminates splitting