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Here's some hole saw tech for you guys.

Discussion in 'The Hokey Ass Message Board' started by 31Vicky with a hemi, Dec 31, 2013.

  1. So there's a few on here, but I haven't seen this particular one yet to enlarge a hole that's in the right spot.
    Here's what you need, a hole that needs to be bigger.
    A hole saw that's the size of the current hole
    A hole saw that's the size of the hole you want
    A shock stud, same thread as the hole saws.

    Thread the shock stud into the larger of the hole saws first, then thread the smaller one on, this is the pilot. Chuck it up in the drill of choice and have at it.
    Works like a champ.

    The plywood outer pilot trick wasnt cutting the mustard on this one.

    Last edited: Oct 6, 2015
    The Shift Wizard likes this.
  2. Eazy
    Last edited: Oct 6, 2015
  3. Peazy

    Last edited: Oct 6, 2015
  4. willys1
    Joined: Oct 31, 2012
    Posts: 1,021

    from South Ga

    A job well done sir! Thanks for posting:)

  5. aonemarine
    Joined: Nov 2, 2013
    Posts: 501

    from Delaware

    another way to do it is to cut a hole in a piece of scrap using the size hole you want your new hole to be, position that piecer over the hole you want to enlarge then drill.
    the scrap piece will hold the position of your hole saw over your new hole. This is particulary useful if you new hole will not be concentric with the old hole.
  6. 117harv
    Joined: Nov 12, 2009
    Posts: 6,590


    Great idea, will remember it for future use. Another tip when using a hole saw on a hand drill, drill pilot hole and then replace the bit with some smooth bar stock the same diameter.
  7. GearheadsQCE
    Joined: Mar 23, 2011
    Posts: 2,708


    Now, how do you make a hole smaller than the one you just drilled in your dash? :)
  8. Very good idea. Simple but effective. Thanks for sharing your trick.
  9. Fenders
    Joined: Sep 8, 2007
    Posts: 3,922


    Simple and obvious (once you see it) -- like all great ideas !
  10. Nice idea, going to try this one!
  11. flatheadpete
    Joined: Oct 29, 2003
    Posts: 10,097

    from Burton, MI

    WOW! So simple. Thanks.

  12. Try the 'Acme' cataloge-Wiley Coyote had great success with their 'assorted holes' just pick out the size you need and stick it on-couldn't be easier.:)
  13. Let me think about that one.

    ......... Smoke from ears ......

    Trim ring trickery or Wylie's catalogue
  14. Jokester
    Joined: Jan 29, 2005
    Posts: 483


    Now you're just making the rest of us feel stupid.

    Thanks for the tip.

  15. fsae0607
    Joined: Apr 3, 2012
    Posts: 871


  16. Idk about all that, now.
    I enjoy the tech here, my little contribution on using tools how they weren't meant to be used
  17. parklane
    Joined: Oct 17, 2009
    Posts: 188


    Excellent tip. Thanks:D
  18. Hey! That was useful. Thanks!
  19. It'll slide in further than the video shows. The OG tip is a good one, but in over 50 years of tinkering and saving almost everything, I doubt that I have a shock mount stud in any of my coffee cans:(
  20. oldsjoe
    Joined: May 2, 2011
    Posts: 2,531


    Learn somethin new everyday! Thanks! Then there 's this scenario which I do quite often! Sometimes I RELEARN somethin new everyday!
  21. TagMan
    Joined: Dec 12, 2002
    Posts: 6,089


    Simple - just run the drill motor in reverse..... :D
  22. burnout2614
    Joined: Sep 21, 2009
    Posts: 612


    Neato. Telling someone how is one thing but SHOWING them how is much better! peace
  23. MrMike
    Joined: May 21, 2010
    Posts: 138


    Those arbors are available to buy from Lee Valley Tools if you can't find a shock stud.
  24. sooo I could sell you a shock stud at the same price and you'd be happy?
  25. Cerberus
    Joined: May 24, 2010
    Posts: 1,381


    Appreciate the ingenuity. This may came in handy when installing a larger dash gauge/speedometer/lighter/headlamp switch/etc.
  26. One thing to keep in mind is there's two different hole saw arbor sizes; one size up to 1.125" (maybe 1.25), then a larger one above that. So depending what size you have and what size you need, some monkey-motion may be needed....
  27. chevy57dude
    Joined: Dec 10, 2007
    Posts: 6,095


    Great. Now I have a reason to save worn out hole saws! Smooth trick there and thanks for turning us on to it!
  28. Xman
    Joined: Nov 17, 2011
    Posts: 439


    Why didn't I think of that? Cool, thanks!

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