Related Post: 1 4 X 3 3 4 Tapcon 1 4 X 2 3 4 Tapcon 1 4 X 1 3 4 Tapcon Screws 1 4 X 2 3 4 Tapcon Screws Tapcon 1 4 In X 3 3 4 In Concrete Screws 3/4*3/4