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P a g e
5.
Drill a 3/32” X 1-1/4” pilot hole through the bottom 5/16” hole on both sides of the U-Channel which is over the 4x4. Drill
through only the bottom holes.
6.
Using a Ratchet driver and a 7/16” socket, drive a ¼” x 1-1/4” Lag Screw through the pilot holes you drilled. Tighten the
lag screws.
7.