Pipe Diameters and sizes?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by chetwynd, Mar 23, 2006.

  1. chetwynd

    chetwynd New Member

    Messages:
    40
    Location:
    California
    Hi, does anyone know of a good place to find the outer and inner diameters of pipe? For example I need to buy some hole saws, but for let's say 2" ABS, what is the outside diameter? As in, what size hole saw would I need? What about for cast iron?

    THANKS IN ADVANCE!
  2. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    Seach the internet . It is not rocket science, but you need to be aware that you can't just say ' 2" pipe '. There is schedule 40, there is SDR, DWV, ast iron regular and XH. So you will need to have an assortment of bits on hand if you will be working with all these things.

    Google is you friend!
  3. finnegan

    finnegan New Member

    Messages:
    250
    Location:
    CT
    The best way to do it is to take a fitting over to the drill bit section and select a bit or in this case a hole saw, that works.
  4. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,831
    Location:
    Cave Creek, Arizona
    size

  5. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,359
    Location:
    Yakima WA
    You don't want a tight fit anyway, so don't get too finite about the size.
  6. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,143
    Location:
    New England
    You don't want it tight for several reasons...it is a bear to insert it, and as it expands and contracts, any tight spots will squeak or creak. It could wear a hole in the pipe as well over time.
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