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Thread: Heavy beam lifting jig - GIF

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    Join Date
    Apr 2017
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    I get it. It's safer this way. fyi, the shear strength of a nailgun 16d nail is 93lbs, a #6 screw shear strength is 70lbs. The beam can't be all that heavy. We don't make ladders with just nails on the stringers.

  4. #3
    hemmjo's Avatar
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    Feb 2017
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    hemmjo's Tools
    Assuming 4 - 16d (2 on each side) nails on each "step" in that device. 4 x 93 = 372 pounds, With a support on each side, that is 744 pounds total. The beam is not nearly that heavy, they have a pretty large safety margin.

    As far as making ladders, I do some mission work in the Caribbean, they make ladders from some of the scariest things.

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