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Thread: DIY Manual Post Hole Auger (4K)

  1. #1
    Supporting Member tsbrownie's Avatar
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    DIY Manual Post Hole Auger (4K)

    This is the best style of hand auger I've used. It's a 100+ year old design. This one is a 6" post hole auger made from readily available stuff.






    TIPS:
    Right handers will probably want it to turn clockwise (as shown), left handers may want it to dig going counter-clockwise. Typically people find it easier to pull on the handle with their preferred hand (rather than push away).
    You can add additional pieces of pipe to make it go deeper. (If you do, be sure to use pins so you can back the auger out without unscrewing the pipe sections!)

    MATERIALS:
    - Auger came from an electrical supplier (for stuff like telephone / power distribution). It was 8 inches. I cut it down to 6. You may only need 4-5" for average poles. Smaller is easier / faster to use.
    - Pipe is cut to my shoulder height. 3/4" ID thick wall steel (1" OD).
    - Pipe fitting is 3/4" steel (1" OD). Avoid cast iron, it's hard to weld
    - T fitting is 3/4" ID (1" OD) and 2". The 2" part is a bit big and I'd get a smaller one to better fit the wooden handle next time.
    - Point is a cheap 3/4" ratchet hand tool extension. The square drive part has almost all been cut off (so it looks like a big nail).
    - Wooden handle is rough round stock from a hardware store. It's been cut so it's just about shoulder width.

    WARNING: Welding can be dangerous. If you don't know how, get training or don't do it.

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  2. The Following 5 Users Say Thank You to tsbrownie For This Useful Post:

    Andyt (Feb 6, 2020), baja (Feb 6, 2020), Jon (Feb 6, 2020), Sleykin (Feb 8, 2020), sossol (Feb 5, 2020)

  3. #2
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    Thanks tsbrownie! We've added your Post Hole Auger to our Miscellaneous category,
    as well as to your builder page: tsbrownie's Homemade Tools. Your receipt:




  4. The Following User Says Thank You to DIYer For This Useful Post:

    tsbrownie (Feb 6, 2020)

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    Supporting Member Sleykin's Avatar
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    I made one similar to that except I cut a disk with a hole saw and then cut a slot and bent to make the cutting edge. I welded a piece of HSS planer blade to the cutting edge so it hods up better. I used a 1/2" rod about 3' long and use my big hog drill that only turns 400 rpm.

  6. The Following User Says Thank You to Sleykin For This Useful Post:

    tsbrownie (Feb 8, 2020)

  7. #4
    Supporting Member tsbrownie's Avatar
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    tsbrownie's Tools
    Quote Originally Posted by Sleykin View Post
    I made one similar to that except I cut a disk with a hole saw and then cut a slot and bent to make the cutting edge. I welded a piece of HSS planer blade to the cutting edge so it hods up better. I used a 1/2" rod about 3' long and use my big hog drill that only turns 400 rpm.
    I have thought about making a second, small auger head the way you described. Do you have a video on how you did it? Thanks.



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