As per shown in the picture, the rag bolt must be grouted into the cement/concrete wall. The bolts must be fixed to the cement/concrete wall. Allow setting & checking than install it using nut and washer.
At the beginning
Measure tape, Keyhole or saber saw, Hammer, Glasses, Rags or Paper toweling, Drill (1/2 dia, drill bit or larger), Pencil, sealant, sharp knife or scissors.
Please Note: Please install it in a way that future removal from underneath the counter top is possible without damaging the counter top.
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Technical Area