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Results 41 to 44 of 44
  1. #41
    Join Date
    Mar 2012
    Posts
    143

    Re: Emco F3 mill conversion

    Can a Bosch bi metal holesaw cut through cast iron or do I need a carbide tipped holesaw ?

  2. #42
    Join Date
    Dec 2013
    Posts
    5717

    Re: Emco F3 mill conversion

    Quote Originally Posted by fastbike View Post
    Can a Bosch bi metal holesaw cut through cast iron or do I need a carbide tipped holesaw ?
    The bi metal holesaw should be fine unless you hit a very hard spot in the casting. If it is a quality casting, then I would expect no problem.
    Jim Dawson
    Sandy, Oregon, USA

  3. #43
    Join Date
    Mar 2012
    Posts
    143

    Re: Emco F3 mill conversion

    Quote Originally Posted by Jim Dawson View Post
    The bi metal holesaw should be fine unless you hit a very hard spot in the casting. If it is a quality casting, then I would expect no problem.
    Thanks Jim, I'll probably be giving this a go in the next week or so. I thought I should ask the question in case I had to order in a carbide holesaw, so nice to know I can try with an ordinary bi metal.
    Fingers crossed that Emco castings are quality.

    David

  4. #44
    Join Date
    Mar 2012
    Posts
    143

    Re: Emco F3 mill conversion

    I'll need to make a guide piece so I can centre the pilot drill in the existing hole in the casting. That's been put on hold while I get the control enclosure/wiring progressed.

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