Drilling Sump

Discussion in 'I made this!' started by ccscscpc, Mar 15, 2010.

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  1. ccscscpc

    ccscscpc Millepora

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    I am about to drill a hole in a glass sump and was wondering if I should use water or motor oil with the drill bit.

    I am going to make a well around the hole with plumbers putty and have a diamond tip hole saw bit.....just wondering which is better!

    Thanks!
     
    ccscscpc, Mar 15, 2010
    ccscscpc, Mar 15, 2010
    #1

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  2. Otty

    Otty Giant Squid

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    I always use 3 in 1 oil for the cut.
     
    Otty, Mar 15, 2010
    Otty, Mar 15, 2010
    #2
  3. ccscscpc

    ccscscpc Millepora

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    is that engine oil? or some cooking oil?
     
    ccscscpc, Mar 15, 2010
    ccscscpc, Mar 15, 2010
    #3
  4. Otty

    Otty Giant Squid

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    Otty, Mar 15, 2010
    Otty, Mar 15, 2010
    #4
  5. hydrojeff

    hydrojeff Montipora Capricornis

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    i was told by my glass shop to use antifreeze, worked great for me...
     
    hydrojeff, Mar 15, 2010
    hydrojeff, Mar 15, 2010
    #5
  6. Matt Rogers

    Matt Rogers Kingfish

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    Matt Rogers, Mar 15, 2010
    Matt Rogers, Mar 15, 2010
    #6