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Thread: An ER-20 Collet Holder Plate

  1. #1
    rgsparber's Avatar
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    Nov 2012
    Phoenix, AZ
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    rgsparber's Tools

    An ER-20 Collet Holder Plate

    I needed a simple way to organize my metric ER-20 collet set. Initially, I tossed them in a pencil box. That did keep them from rolling away but certainly was not a satisfying solution. Could have CNC’d a plate with tapered holes but that really didn’t interest me. I liked the idea of a tapered hole to help retain each collet but didn’t want to put forth a lot of effort. Then the trick hit me – use a step drill!

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  2. The Following 3 Users Say Thank You to rgsparber For This Useful Post:

    Jon (12-30-2015), kbalch (12-30-2015), Paul Jones (12-30-2015)

  3. #2
    Content Editor DIYer's Avatar
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    Aug 2013
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    Thanks Rick! We've added your Collet Holder to our Storage and Organization category, as well as to your builder page: Rick Sparber's Homemade Tools. Your receipt:

  4. #3
    Paul Jones's Avatar
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    May 2014
    Del Mar, California
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    Rick, using a step drill is a brilliant way to make the holes and will consider this next time I make another ER collet rack. I took the easy way out when I made my ER16 collet rack out of oak and just drilled two holes (small bottom hole to catch the narrow end and a larger hole to catch the top edge) with Forstner bits to accommodate the collet tapers. I like your method better. Thanks, Paul

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