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  1. werid thread on tall skinny mower motor through bolts? 
    #1
    Junior Member
    Join Date
    Oct 2009
    Location
    Delaware, USA
    Posts
    24
    Is it my imagination, or are these threaded rods that hold together the tall skinny mower motors 12 gauge 28 threads per inch?

    AKA #12-NF which nobody ever uses for anything and nobody carries in stainless steel?

    --Charlie
     
     

  2. Re: werid thread on tall skinny mower motor through bolts? 
    #2
    Senior Member Billy M's Avatar
    Join Date
    Oct 2009
    Location
    Carlisle, OH
    Posts
    283
    If I remember correctly, I thought they were -20, a very common thread size/pitch. It has been a while since I've rebuilt one though.
     
     

  3. Re: weird thread on tall skinny mower motor through bolts? 
    #3
    Junior Member
    Join Date
    Oct 2009
    Location
    Delaware, USA
    Posts
    24
    The fat motors use quarter twenty bolts with countersunk heads, but all three of these skinny ones use threaded rod with 28 threads per inch. Which is weird!
     
     

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