#10 x 2-1/2" Simpson Strong-Tie DHPD #2 Square Compact Head Hardwood (Ipe) Deck Screw - 305 Stainless Steel, Pkg. 1,000The Simpson Strong Tie Deck Drive DHPD Hardwood Screw is specially engineered to handle the toughest hardwoods, including Ipe, also known as Brazilian Walnut or Ironwood. With its unique paddle style drill point, it penetrates dense wood with ease and virtually eliminates splitting, often without the need for predrilling. This makes it ideal for outdoor projects built with Ipe, which is one of the hardest, most durable woods in the world, valued for