What is good to use to make blowholes??
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Thread: What is good to use to make blowholes??

  1. #1
    Join Date
    Apr 2000
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    What is good to use to make blowholes??

    WAt is good to use? Is their a bit that is circular for a regular drill?? my friends says there is but i neva seen one. Ne suggestions are appreciated.

    Thanks
    Jedisk8
    aka: Trax

  2. #2
    Join Date
    Jun 1999
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    Its called a holesaw, they are available in different sizes. Your local hardware store should have them.

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  3. #3
    Join Date
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    Ohio
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    I use a jig saw... With a fine metal blade.
    If you go very slow you can make a real nice cut. Maybe make a practice cut if you have some spare sheet metal lying around.

    I trace the outside of the chrome grill I put over the fan with a pencil. Cut the hole and smooth it with a hand file. Place the grill back on where it lines up the best with your hole and dill the 4 holes to mount the fan.

    Also, use masking tape on the good side of the case to keep from scratching it.
    And be sure not to do it with the compnets in the tower! Take all the pieces off that you plan to cut is the best way.




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    [This message has been edited by Treg29 (edited 04-01-2001).]
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  4. #4
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    Yes, the holesaw is what you want! It works great and cuts "perfect" circles. But you must buy a good one. Makita and Milwaukee both make good holesaws. Here is what you want:









    You can also get "Blowhole Kits" from www.caseetc.com that include the holesaw....



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  5. #5
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    Thanks alot guys my question was answerd and now i shall go get a holesaw.
    aka: Trax

  6. #6
    Join Date
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    Location
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    I only use an Electricans knockout punch, you drill 1 hole, insert the bolt w/bearing & die, then on the other side of the panel screw the cutter on to the threaded bolt & tighten w/ a cresent wrench till it pops out. Perfect round clean hole w/ no burs or shavings to clean up, all sizes from 1/2 - 4"

  7. #7
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    flat-v8 does using that cause the sheet metal to be bent/flexed/distorted in anyway (especially near the edges of the hole)?


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  8. #8
    Join Date
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    It shouldnt cause it to bend. They are designed for that purpose. They pull the small cutter into the larger die, the only thing that is bent is the "hole" that you are removing.

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