5. For cement wall, to apply the plastic
cotters, please drill 6 holes on the wall.
Hole diameter should be 1/4” or 6.35
mm each. Hole depth should be at least
1 and 3/8” or 35 mm. Apply the 6
plastic cotters into the drilled holes.
6. Fix the wall side mount bracket onto
the wall with six self-tapping Ø3.5-25L
screws.