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Discussion Starter · #1 ·
I want to add a soap dispenser to the kitchen sink, but there is no factory hole available. I'll need probably a 3/4"-1" hole. I'll check it out when I buy the dispenser. Would a carbide hole saw and cutting fluid do the job without cracking the sink?
 

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Yep, start on a 45 degree angle until you get a groove then slowly stand it up.
 

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Hair Splitter
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I saw A Hole in the thread title and had to check it out.

But seriously, I wouldn't risk it. I would use the Relton PC-20 1-1/4" Porcelain Cutting Hole Saw Kit. It's not cheap, but nothing that is worth anything is.

http://www.etoolsrus.com/browse.cfm/4,5496.html

And I found out about it on the Rigid forum a few years back. The member "plumber rick" had a thread on it. I can't link it due to CT rules, but a Google search will get ya there.
 

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I saw A Hole in the thread title and had to check it out.

But seriously, I wouldn't risk it. I would use the Relton PC-20 1-1/4" Porcelain Cutting Hole Saw Kit. It's not cheap, but nothing that is worth anything is.

http://www.etoolsrus.com/browse.cfm/4,5496.html

And I found out about it on the Rigid forum a few years back. The member "plumber rick" had a thread on it. I can't link it do to CT rules, but a google search will get ya there.
Oh that's fancy!

It always said cast.
 

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Discussion Starter · #11 ·
I saw A Hole in the thread title and had to check it out.

But seriously, I wouldn't risk it. I would use the Relton PC-20 1-1/4" Porcelain Cutting Hole Saw Kit. It's not cheap, but nothing that is worth anything is.

http://www.etoolsrus.com/browse.cfm/4,5496.html

And I found out about it on the Rigid forum a few years back. The member "plumber rick" had a thread on it. I can't link it due to CT rules, but a Google search will get ya there.
That thing is pretty slick, but a little more than I want to throw at a one time tool. I'm still going to consider the carbide hole saw though. I would probably need a diamond pilot bit to get through the porcelain.
 

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Hair Splitter
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That thing is pretty slick, but a little more than I want to throw at a one time tool. I'm still going to consider the carbide hole saw though. I would probably need a diamond pilot bit to get through the porcelain.
Cheaper than replacing the sink.
 

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That thing is pretty slick, but a little more than I want to throw at a one time tool. I'm still going to consider the carbide hole saw though. I would probably need a diamond pilot bit to get through the porcelain.
I wouldn't bother with the pilot, but if you have a diamond hole saw that would be great for getting through the enamel.
 

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BCConstruction said:
I have cut hundreds of holes into cast iron soil pipes for saddle with just bi metal joke saws and a little cutting oil. It should be just as easy on a cast iron sink.
Did you mean jigsaw? What would keep it from chipping the enamel?
 

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Hair Splitter
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I have cut hundreds of holes into cast iron soil pipes for saddle with just bi metal joke saws and a little cutting oil. It should be just as easy on a cast iron sink.
Cast iron stink stacks are not coated in enamel and cosmetics never comes into play.
 

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TNTSERVICES said:
Cast iron stink stacks are not coated in enamel and cosmetics never comes into play.
If your worried about dulling your cutter going though the enamel Drill from the back till you hit enamel then punch the enamel through from top. I'm sure there's gonna be a flange at least 3/8" around the insert so if it chips a little no big deal.
 
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