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Old 07-06-2013, 04:45 AM
soafone soafone is offline
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masonry bit sizing for 3/4 and 1" poly pipe

i just bought an sds max rotary hammer drill and want to purchase the smallest bits that will accomodate 3/4 and 1" poly pipe. will a 3/4" bit work for 3/4" pipe or do i need to go up to a 7/8" bit? will a 1" bit work for 1" poly or do I need a 1-1/8" bit? thanks.
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Old 07-06-2013, 07:16 AM
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I think you want to go way up in size, in order to fit PVC pipe, into which the poly will fit inside.
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Old 07-06-2013, 07:24 AM
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You are not putting poly in the basement are you?
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Old 07-06-2013, 09:28 AM
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mitchgo mitchgo is offline
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Copper or brass would be better.

If you are going poly make sure you use 200 psi or 250 psi service line quality.

You should go down to a rental store and compare bit sizes to the size of your pipe
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Old 07-06-2013, 09:46 AM
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Both require a minimum hole just larger than the insulation that will be used to protect the pipe.

Even in the great state of Jefferson 2.5" is the minimum for a penatration.

IMHO galvanized would be better than PVC or Poly but not as good as brass or copper.
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Old 07-06-2013, 10:31 AM
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I think the only time I ran naked poly through a drilled hole was outdoors with railroad ties.
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Old 07-06-2013, 10:55 AM
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Quote:
Originally Posted by Wet_Boots View Post
I think the only time I ran naked through a drilled hole was outdoors with railroad ties.

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Old 07-06-2013, 11:27 AM
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I did type "poly" - obviously the word was stolen by forces unknown
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Old 07-06-2013, 12:12 PM
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I did type "poly" - obviously the word was stolen by forces unknown
Them darned unknown forces again
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Old 07-06-2013, 12:59 PM
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Quote:
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Even in the great state of Jefferson 2.5" is the minimum for a penatration.

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That's what she said
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