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Thread: Spiral drill from a drill for concrete DIY

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  1. #1
    Supporting Member My MiniCrafts's Avatar
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    My MiniCrafts's Tools

    Spiral drill from a drill for concrete DIY


  2. The Following 11 Users Say Thank You to My MiniCrafts For This Useful Post:

    albertq (Apr 9, 2024), baja (May 8, 2023), ductape (May 1, 2023), emu roo (Jan 21, 2026), Harvey Melvin Richards (Jan 21, 2026), Jon (May 1, 2023), mwmkravchenko (May 2, 2023), nova_robotics (May 3, 2023), RetiredFAE (May 6, 2023), sossol (May 2, 2023), WmRMeyers (May 1, 2023)

  3. #2
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    ductape's Tools
    Often wondered if there was something useful to be made of the twist in concrete drills. A push-pull drill seems like such an obvious use for it now. Very nice work, as usual.
    Last edited by ductape; May 1, 2023 at 05:48 PM.

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

    emu roo (Jan 21, 2026), My MiniCrafts (May 1, 2023)

  5. #3
    Supporting Member BuffaloJohn's Avatar
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    BuffaloJohn's Tools
    Perhaps make a yankee screwdriver (might have another name, but that is what I learned...)

  6. The Following 2 Users Say Thank You to BuffaloJohn For This Useful Post:

    emu roo (Jan 21, 2026), My MiniCrafts (May 2, 2023)

  7. #4
    Jon
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    Congratulations My MiniCrafts - your Hand Drill is the Homemade Tool of the Week!

    Beautiful, functional, and nice re-use of a concrete drill.

    Some more good builds from this week:

    Ball Joint Removal and Installation Tool by Frank S
    Leadscrew Nut by craig9
    Multi-Function Tool Post by Improvised DIY
    Die by PaulsGarageProjects
    Potato Planter by Mr.DK DIY
    Kant Clamps by celsoari
    Door Latch by troyhaack
    Small Cotter by Don42
    End Mill by Improvised DIY
    TIG Torch Holder by orioncons36
    Vise by GBWM


    My MiniCrafts - you'll be receiving a $100 online gift card, in your choice of Amazon, PayPal, or bitcoin. Please PM me your current email address and gift card choice and I'll get it sent over right away.

    More importantly, this is your 5th Homemade Tool of the Week win! I've just added the silver wrench-on-pedestal graphic to the awards showcase in your postbit, visible underneath your avatar.




    Great job, and you're in excellent company joining these other 5-time winners: rgsparber, rossbotics, Christophe Mineau, Brendon, Frank S, mklotz, Vyacheslav.Nevolya, brianhw, LMMasterMariner, jjr2001, Tuomas, olderdan, tonyfoale, bobs409, thehomeengineer, celsoari, Stevohdee, warsztatOdZera, and AB-SHOP.

    Here are all five of your Homemade Tool of the Week winning tools.

    New: BuildThreads.com - 300+ build posts/day (with photos)

  8. The Following 2 Users Say Thank You to Jon For This Useful Post:

    emu roo (Jan 21, 2026), My MiniCrafts (May 5, 2023)

  9. #5
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    albertq's Tools
    Used such a masonry bit to adjust centers on my OD grinder. Was much cheaper than buying a ball-nut and screw.
    Spiral drill from a drill for concrete DIY-od-grinder-cencters-adjustmet-tool-1-.jpg Spiral drill from a drill for concrete DIY-od-grinder-cencters-adjustmet-tool-2-.jpg

  10. The Following 2 Users Say Thank You to albertq For This Useful Post:

    Jon (Apr 9, 2024), mwmkravchenko (Apr 10, 2024)

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