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AR15.COM
6/2/2005 5:36:53 PM EDT
I am going to install a reverse osmosis drinking water system in my kitchen sink.  The sink is white. I think that the sink is cast iron. How do I cut a hole in this sink for the RO faucet? Thanks
6/2/2005 5:44:04 PM EDT
[#1]
Any possibility of going in through one of the openeings in the rear of the sink (faucet area) - you might have to change to a different style of faucet.

Another option is to go through the counter instead of the sink.
6/2/2005 6:02:57 PM EDT
[#2]
Hole saw will do it.  Use slow RPM no more than 200 RPM. It will go pretty quick too.

Good luck.