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Thread: Starting small screw threads

  1. #1
    Supporting Member olderdan's Avatar
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    Starting small screw threads

    We all know the importance of starting threads square to a pilot hole and there are many excellent devices for doing so on the forum but this is my simple method which works for me.
    I use an old small drill chuck from a dead power drill which has a hardened shank and a simple sliding sleeve fits this allowing the rotation within, (in my case an old valve guide) this is mounted in the stationary pillar drill chuck.
    This method gives me a good sense of feedback from taps down to 8BA and a bottoming tap will then follow true.

    Starting small screw threads-screen-shot-01-13-17-07.38-pm.jpg

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  2. The Following 14 Users Say Thank You to olderdan For This Useful Post:

    baja (Sep 13, 2019), bob_3000 (Oct 3, 2023), DIYer (Jan 16, 2017), Moby Duck (Aug 29, 2017), n9dug (Sep 13, 2019), Paul Jones (Jan 13, 2017), PJs (Jan 17, 2017), rlm98253 (Jan 21, 2018), sossol (Sep 13, 2019), tonyfoale (Jan 14, 2017), Toolmaker51 (Jan 13, 2017), tuchie (Oct 3, 2023), uv8452 (Oct 4, 2023), wb8nbs (Jan 23, 2018)

  3. #2
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    Thanks olderdan! We've added your Small Screw Starting Method to our Drilling and Drill Presses category,
    as well as to your builder page: olderdan's Homemade Tools. Your receipt:



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    Last edited by Jon; Oct 27, 2021 at 10:20 PM.

  4. The Following 2 Users Say Thank You to DIYer For This Useful Post:

    Mogsey (Sep 26, 2019), Ralphxyz (Oct 7, 2023)

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