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Thread: Dremels

  1. #1
    Pseudo-Mad Scientist Whiternoise's Avatar
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    Dremels

    Is it possible to cut a circular hole with a dremel, eg. for making a blow-hole? This is in light of browsing their website and reading that apparently you should only cut straight lines with the blades.

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    It's possible, you generally cut an octogon and sand it out to a circle with a sanding drum attachment. It's a lot of effort and expense for something you can do in a matter of minutes with a 2.99 pair of tin snips and a file.

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    Pseudo-Mad Scientist Whiternoise's Avatar
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    Thanks, is there anything stopping you from cutting circles or will the dremel blow up..i see there's an attachment for cutting..i'll see what happens

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    lazy student nvening's Avatar
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    What you really want is a hole saw, i think you can just add one to a normal drill possibly.
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    Cutting blades will shatter if you try to do curves with them. Holesaw or tin snips are the better options.

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    yes, i have also seen the hole saws for normal drills, there jsut an attachment u add to the end and make ltos of holes

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    i did my blowholes with a holesaw - i purchased a 114mm holesaw and a shank to hold it onto the drill ( i was cutting it for 120mm btw)

    was much quicker than trying to cut it with my dremel
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    Quote Originally Posted by Whiternoise
    Is it possible to cut a circular hole with a dremel, eg. for making a blow-hole? This is in light of browsing their website and reading that apparently you should only cut straight lines with the blades.

    Much much easier with a holesaw - just make sure that you also get an arbor (if not included) to attach it to your drill.
    Also make sure the saw is the Bimetal/HSS type as otherwise it's unlikely to go through case thickness metal.
    Last edited by nightic; 15-05-2006 at 01:34 PM.

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    I've cut a couple of blowholes before with a Dremmel, takes time and a few cutters but can give a good finish. The ideal method is to cut rough circle with a jigsaw and then to smooth around using a dremmel (like a file).

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    not posting kempez's Avatar
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    Anybody got somewhere I can find a good holesaw for a normal Drill??
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    Flat cap, Whippets, Cave. Clunk's Avatar
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    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

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  13. #13
    not posting kempez's Avatar
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    Thanks mate bought the 2nd one
    Check my project <<| Black3D |>>
    Quote Originally Posted by hexah
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    Best price I've found (for a 114mm HSS Bi-metal one) is £15.49 delivered via Amazon:

    http://www.amazon.co.uk/exec/obidos/...680002-2660703

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    Almost in control. autopilot's Avatar
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    Custom PC magazine has a very good and quite big feature on using dremels this month.

    I use a dremel all day long at work, but only for making tiny holes in glass.

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    Pseudo-Mad Scientist Whiternoise's Avatar
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    wow, thanks for all the advice guys..

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