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Step 2: Drill A Hole For The Faucet
Drill 1/2” diameter hole for standard faucet. (Air-Gap faucet: drill 1”d hole.)
For best results use a 1/2” carbide-tipped masonry drill bit.
Wear safety glasses to protect your eyes while drilling the faucet hole.
Note: No need to drill a hole if an existing hole is available:
a) Spare hole: If there is a spare hole in the sink covered by a chrome cover, simply remove the
chrome cover and install the faucet there.
b) Spray hose: If the spray hose is not in use, remove the hose, and mount the faucet there. Re-
member to plug up the outlet under the main faucet. If the spray hose uses a diverter at the base of
the spout, be sure to remove it to avoid trouble later on.
c) Hanging faucet: If drilling a hole is not feasible (i.e. rental home, drill tool not available etc.),
the faucet can just hang on the cabinet door or wherever that is convenient. Be creative!
When drilling a hole for the faucet, choose a location that looks good, works well, and is most
convenient for dispensing pure water. An ample flat area is required for the faucet base so that
the faucet can be drawn down tightly.
1. Faucet location: Make sure the faucet stud will be accessible from below when the hole
is drilled. If space is not available on the upper sink area, the faucet can be located on the
counter top by the edge of the sink. If the counter top is ceramic tile, the method for drilling
the hole will be the same as for porcelain sinks.
2. For Stainless Steel Sink: Before using a 1/2” carbide drill bit, an indent should be made
with a center punch to keep the drill bit from walking. A small pilot hole will also aid the drill
bit.
3. For Porcelain Sink: Porcelain enameled sinks can readily be chipped if care is not exercised
when drilling the hole. Before starting the drill motor, apply firm downward pressure on the bit
until a crunching occurs. This will help keep the drill bit from walking when starting the hole.
A small pilot hole will also aid the drill bit.
Note: Immediately after the hole drilling is done, clean up all metal chips, as metal chips
will stain the porcelain!!
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