How to select the correct fastener
Use these 3 pictorial guides to help select the correct fastener(s) for the
lumber attachment you are making. Each diagram will highlight the correct
number of fasteners to use, and where to attach them.
5/4'' x 6'' to 4'' x 4''
(4)
2-1/2'' screws or nails
Apply the 2-1/2" screws/nails to secure the 5/4" boards
to the 4"x4" uprights as shown.
(1)
2'' lag screw
After attaching the 2 1/2" screws, apply the center
(1) 2" lag screw as shown for additional support.
2'' x 4'' to 4'' x 4''
(3)
2-1/2'' screws or nails
Apply 2 1/2" screws/nails to the 2"x4" boards
when attaching to 4"x4" uprights.
5/4'' x 6'' to 2'' x 4''
(2)
2'' screws or nails
Use 2" screws/nails when mounting 5/4"
boards to 2"x4" boards.
12
Base of unit