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  • 2 Post By chopperfreak2k1

Thread: Stripped dawg threads.

  1. 09-09-2010, 05:42 PM #1
    Blakesmaster
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    Stripped dawg threads.

    I overtightened one of the screws on my 395's inner dawg when I had it off a few weeks back. Now it seems the threads inside are completely stripped. This had happened on a used 385 I bought a few years back and my shop recommended a heli coil. That worked for about a year and then blew out entirely to the point that welding the aluminum was necessary which I didn't attempt. I just ran it with the outer dog and sadly ended up wrecking the whole saw a week or two later in a completely unrelated felling incident. Anyway, I seem to remember seeing a comment sometime ago laughing at the "usefulness" of heli coils in this application. Anybody got a different solution?
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  2. 09-09-2010, 05:45 PM #2
    chopperfreak2k1
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    tap and use bigger screw?
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  3. 09-09-2010, 05:54 PM #3
    jmarheine
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    There are a couple different brands of thread inserts available- Keenserts and Timeserts.
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  4. 09-09-2010, 06:00 PM #4
    heimannm
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    If there is enough "meat" around the stripped hole, go to your local Fastenal store and get a 10 pack of EZ Lok inserts, similar to the threaded inserts you might use in wood but with machine screw threads on the O.D. A 6mm insert can be had in either inch (3/8-16) or 10mm threads on the O.D.

    Mark
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  5. 09-10-2010, 04:23 AM #5
    Blakesmaster
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    Quote Originally Posted by heimannm View Post
    If there is enough "meat" around the stripped hole, go to your local Fastenal store and get a 10 pack of EZ Lok inserts, similar to the threaded inserts you might use in wood but with machine screw threads on the O.D. A 6mm insert can be had in either inch (3/8-16) or 10mm threads on the O.D.

    Mark
    This seems a decent option. Thanks heimannm.
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  6. 01-16-2012, 04:25 PM #6
    dieseldirt
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    So which insert would I want for a 385?

    The inner dog screws are M5x16 and mine are so stripped out the threads barely catch ...

    Is this a better solution than retapping to a bigger screw size?
    MS660 TreeMonkey'd & Triple Port, 385xp TM/TP, 385xp stock, 372xp TM/DP, 346xpne TM/DP (3/8"), Jred 2139t, Dolmar ps-350........870 Magnum, etc...
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  7. 01-16-2012, 05:14 PM #7
    Roanoker494
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    When at all possible I always prefer to retain the original hardware, so a insert is the best option in my opinion.
    DISCLAIMER: Any information I provide is for general knowledge purposes only and may be heavily bias due to my own experiences.

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  8. 01-16-2012, 06:22 PM #8
    dieseldirt
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    I will find an insert with M5x16 threads on ID

    What size threads do I want on OD ?

    Big enough to "self-tap" the stripped out hole...

    Thanks!
    MS660 TreeMonkey'd & Triple Port, 385xp TM/TP, 385xp stock, 372xp TM/DP, 346xpne TM/DP (3/8"), Jred 2139t, Dolmar ps-350........870 Magnum, etc...
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