Installs with an 18v cordless drill

you'll have enough screws for large structures

7/8-14 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (40)

7/16-20 x 3 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (225)

3/16 x 2 3/4 Simpson Flat Head Titen Turbo™ Concrete and Masonry Screw Anchor Zinc Plated w/ Ceramic Coat White (T25 6-Lobe) - Box (100) 1/2-20 Grade 8 Hex Cap Screws Yellow Zinc Plated Installs with an 18v cordlessSimpson's Titen Turbo anchors are a heavy duty concrete and masonry fastening solution. Each anchor is 3 16" x 2 3 4" and features a zinc plated finish with ceramic coating for durability and corrosion resistance. Comes in boxes of 100.