Concrete Screws: Sets of 4, Snap-Caps and Screws - LaserSketch Ltd.
5/16 x 2-1/4- 2202SD | Tanner
INOOMP Concrete Screws 60pcs Stainless Steel Screws Black Screws Hex Hexagon Socket Head Screw Socket Head Cap Screws Black Cylindrical Head Button Head Reverse Thread Screw: Amazon.com: Industrial & Scientific
1/2" x 4" Simpson Strong-Tie Titen HD Screw Anchor 316 Stainless Steel, 20/Box
Amazon.com: ITW Brands ITW 24326 Tapcon Maxiset 1/4 in. x 2-1/4 in. Hex Head Concrete Anchors Silver, 50-per Pack : Industrial & Scientific