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4.25 inch core cutter

Discussion in 'Tools and Materials' started by rob4beer, 17 Dec 2012.

  1. rob4beer

    rob4beer

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    Hi Guys,

    I Need to cut a 4.25 inch hole through my walls to fit a passive air vent. Ive seen a bit on amazon for about 20 quid, diamond tipped. but not sure what drill I could use it with (I have a cordless and corded standard drill, I know hammer drills are out) but are these good enough?

    Advice please experts. Im drilling through a normal, brick built 1890s terrace wall.

    Thanks, Rob

    PS this is the bit ive seen
    http://www.amazon.co.uk/gp/product/...&pf_rd_t=101&pf_rd_p=317828027&pf_rd_i=468294
     
  2. foxhole

    foxhole

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    Sds drill, minimum.
     
  3. Threadjacker

    Threadjacker

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    Anything Silverline is cheap Chinese rubbish, nothing more than a £20 paperweight for a tradesman.

    It may cut a hole for you though before wearing out, whatever drill you use it has to be powerful and most importantly have a clutch.

    You need to buy an arbour and pilot drill as well or you could hire decent cutter and core drill at the local hire shop.
     
  4. Nigel_Cro

    Nigel_Cro

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    Having done this recently - I go with the above - don't waste your money on a cheapy chinese paperweight - go to your local hire shop and get the proper gear for half a day - the money spent will easily be compensated by the time saved and the job being done properly.
     
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  6. Belle427

    Belle427

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    as said try to hire one, you will need a decent quality sds drill with clutch to use it anyway. Dont even try to use a battery drill etc as it will kill it.
     
  7. DIYnot Local

    DIYnot Local

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