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Creating a new hole in a galvanised water tank

Discussion in 'Tools and Materials' started by watertight, 8 May 2005.

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  1. watertight

    watertight

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    Guys,

    Wonder if any of you could tell me the best way to produce a hole (approx 1 1/4") in a galvanised water tank.

    The tanks is not corroded so shouldn't fall apart, too easily at least.

    Your opinions/ideas would be appreciated.

    Mark
     
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  3. breezer

    breezer

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    hole saw.

    how about this

    other suppliers of hole saw are available
     
  4. watertight

    watertight

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    Thanks Breezer.

    I have a collection of holesaws (all cheapo ones admittedly). They fail miserably when trying to create a hole in a SS kitchen sink, is this because they are cheap or would all holesaws fail regardless?

    If quality makes the difference then I'll opt for that option.

    Mark
     
  5. ChrisR

    ChrisR

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    SS used for sinks is pretty hard,; for those a Q-max cutter is better. Galv tanks are quite soft so all but the cheapest holesaws should be ok.

    I have to wonder if your use of an old galv tank is wise - another issue!
     
  6. watertight

    watertight

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    Cheers Chris,

    Tank is in a school, council asked me to quote for the work to replace a ball valve, I advised updating the tank as it is 30 years old but the council was having none of it!!!!

    I specified that damage may occur to the tank as a result of the process of creating a new hole and will get the estimate signed prior to starting work. I just don't want to get to the tank and be unprepared.

    Mark
     
  7. ChrisR

    ChrisR

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    2 holesaws then, just in case??!
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