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Thread: How to drive large auger bit with 7/16" Powerdrive Hex shaft

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  1. #1
    Join Date
    Apr 2006
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    Phoenix AZ Area
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    2,505

    How to drive large auger bit with 7/16" Powerdrive Hex shaft

    I need to bore 11/16" holes through some turned legs that are 16 1/4" long. I bought a bit that's basically perfect, except that I assumed the 7/16" Powerdrive Hex shaft would fit the 5/8" Chuck on my drill press but it does not. I have googled a lot and I can't find an adapter to let me drive that bit in my drill press. I might be able to make it work by driving it with a 7/16" socket mounted to the drill press with an adapter but that will just just drive it and not let me pull the bit up to clear chips. I also though about tack welding a cheap socket to the bit. Other ideas? I need something that will work to drill holes in two legs. Also the legs are made from some scarce reclaimed wood and I really can't wreck them.
    Last edited by Joe Jensen; 08-13-2019 at 5:10 PM.

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