#10 x 2-1/2" Simpson Strong-Tie DHPD #2 Square Compact Head Hardwood (Ipe) Deck Screw - 305 Stainless Steel, Pkg. 100 15 Degree Wire Weld Coil Fencing/Siding Nails Drill a hole in solid

Drill a hole in solid concrete the same diameter as the anchor using a carbide-tipped bit

The Simpson ECCO68 End Column Cap Legs Omitted

Drill a clearance hole through the outer material

or as an alternate

#10 x 2-1/2" Simpson Strong-Tie DHPD #2 Square Compact Head Hardwood (Ipe) Deck Screw - 305 Stainless Steel, Pkg. 100 15 Degree Wire Weld Coil Fencing/Siding Nails Drill a hole in solidThe 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