I need to drill a hole in the sink for a water filter spicket. Is the sink material fiberglass or plastic? Has anyone done this before, and if so, what type of drill bit did you use; I think the hole needs to be 7/8". I did this once before on our old RV to a fiberglass sink using a spade bit and it seemed like it took forever.
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2008 Cruiser 29CK that we leave in Arizona year round but only spend the winters in it.
Use a forstner bit. Cuts a clean edge. Or, a hole saw. Do NOT use the space bit.
X2, space bits might be hard to find! Sorry Mark, I couldn't resist. Use some painters tape on the counter top where you are going to cut the hole. This will help prevent any chipping of the counter top material.
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Phil & Janine
2010 Dodge Ram Crew Cab Short Bed 2500HD Cummins
2014 Cruiser 333RL