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[deleted] OP t1_j24mcl7 wrote

Reply to comment by NewAlternative4738 in Help drilling a hole through kitchen countertop & flange of undermount sink for a water filter by [deleted]

[deleted]

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lemonylol t1_j251jjg wrote

The first picture is the rear flange right? Why not just use one of those pre-made covered holes?

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[deleted] OP t1_j25tqpo wrote

[deleted]

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Hittinuhard t1_j25xq2h wrote

If you want to be really safe remove the faucet and measure front and back of the existing hole and you can find center. The existing holes on the sink should be 4" on center.

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siwmasas t1_j25of0k wrote

A 1/2" hole in the flange isn't going to compromise the sink's structural integrity regardless of what that wood strip is doing.

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NewAlternative4738 t1_j255zq1 wrote

The side brackets are certainly the primary support, but the sink would also have been attached to the countertop with an adhesive. I suspect you’ll be fine to drill, though if that sink has a warranty, drilling through it will void it.

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