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Thread: How to cut off a screw using a Rotary Tool

  1. #1

    Default How to cut off a screw using a Rotary Tool


    This 1/4" brass screw is going to be used on an MHS double threaded Jaded grips section, so I'll need to shorten it by about half. I'll use a rotary tool and a reinforced cutting wheel for the job.

    I'll be using the 8-32 nut to secure the screw in the vise grips to prevent damaging the head of the screw, and to also help with maintaining the integrity of the threads:

    I inserted the screw into the nut.....and then placed the nut/screw assembly into the vise grips:


    I set the rotary tool to a high speed, then I used slow, steady pressure on the tool and carefully cut it off:





    There we go! All shortened!


    DO NOT TOUCH THE SCREW!!!! IT IS HOT!!!!

    I'll use a pair of pliers to get the screw and nut out of the vise grips:




    Now I'll use the Allen wrench to back the screw out of the nut:

    This will also help to clean up the threads you just cut through.

    And then install in into the double threaded Jaded extension:




    Now the screws don't stick through into the inside diameter of the part, and you can easily fit an MHS speaker mount and battery pack in there with no problems:

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  2. #2

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    nicely done tut...

    direct to the point.. with pics! (nothing left to the imagination)

    and something I bet many people forget.. (I know long ago when I learned this.. it was a life saver!)

  3. #3
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    I learned how do to this 20 years ago. It's a good thing for people to know about.
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    Great thread, Jay Gon. I stickied it for you (probably what this PM in my inbox is about too )
    Aluke123 on every other forum - Old grumpy moderator here

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    Great info Jay!
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  6. #6

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    Yep, had to cut some brass screws down for that saber in the pics, and remembered J-Lo's comment elsewhere on the forums about how to cut a screw, and thought, why not take pictures, since I was going to be cutting 23 screws anyway?
    Last edited by Jay-gon Jinn; 07-15-2010 at 09:00 PM.

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  7. #7

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    I've had to do this a few times now, where was this tutorial a few months ago! Would have saved me a nice burn on my leg from the HOT screw falling on me! (melted through my gym shorts)

  8. #8
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    Really off topic thread hijack....

    What is that kind of vise called on your drill press??? It looks quite helpfull...
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  9. #9
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    It's a drill press vise, lol. You can find them online at places like Amazon. Check the width of the mounting slots to make sure it will match up with your drill press
    Aluke123 on every other forum - Old grumpy moderator here

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  10. #10
    Jedi Council Member cardcollector's Avatar
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    Oh, I thought it was a special vise...

    woopth.
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