16 5 x 4 July 8, 2019 16 32 64 128 16 5 x 4 3 16 5 x 40 X 5/4 = 20/16 5 16 x 48 5 16 x 4 15 5 16 x 4 1 2 bolt 5 16 x 4 7 5 16 x 4 1 16 5 8 x 4 5 16 x 4 lag screw 5 16 x 4 bolt 5 16 x 4 tapcon 5 16 x 4 carriage bolt 5 16 x 45mm allen bolt 5 16 x 4 concrete screws