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    I need to drill a 1 1/4" hole through a cinder block (foundation) in order to install a sillcock. The block has a width of 8". I have an 18v DeWalt hammer drill - is there a bit that will work with that? If not, I have access (though not as readily) to a Bosch concrete drill that works with an SDS shank.

    - Dave H



    I am not sure your 18v will have enough power to do the job,
    but drilling cinder block I think it will do. The bit to use with it is

    If you can get the SDS hammer the job will be a lot easier that's for sure, and then use
    - John
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