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Thread: What's the thread?

  1. 12-11-2016, 04:19 PM #1
    Pop Shot
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    What's the thread?

    My brother is wanting to get a @DPT can fitted to his rifle and has left me in charge of getting it sorted while he's overseas.

    Instead of having to send the whole rife up, I'll try and figure out what the thread is. I've attached a few photos that might help?





    Cheers,
    Pop Shot
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  3. 12-11-2016, 04:46 PM #2
    Martin358
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    Try a half inch unf nut on it
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  4. 12-11-2016, 04:51 PM #3
    DPT
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    Looks too fine for 1/2-20 and if those calipers are correct then its more than likely 13x1
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  5. 12-11-2016, 04:57 PM #4
    Pop Shot
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    Quote Originally Posted by DPT View Post
    Looks too fine for 1/2-20 and if those calipers are correct then its more than likely 13x1
    My 14x1 thread protector kinda screwed on the thread but was too loose. Anyone in Palmy have a 13x1 thread cap I can try?
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  6. 12-11-2016, 05:03 PM #5
    zimmer
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    Top photo counts out to ~14 threads per 15.25mm = ~23 threads per 25.4mm
    Set your vernier to 12.7mm and count the threads and x by 2.
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  7. 12-11-2016, 05:58 PM #6
    Pop Shot
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    Quote Originally Posted by zimmer View Post
    Top photo counts out to ~14 threads per 15.25mm = ~23 threads per 25.4mm
    Set your vernier to 12.7mm and count the threads and x by 2.
    I got 13 threads per 12.7mm. The last few mm is mainly the shoulder.

    Not sure what this means?
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  8. 12-11-2016, 06:01 PM #7
    Maca49
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    Quote Originally Posted by DPT View Post
    Looks too fine for 1/2-20 and if those calipers are correct then its more than likely 13x1
    You guys never heard of ISO?
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    Boom, cough,cough,cough
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  9. 12-11-2016, 06:31 PM #8
    zimmer
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    Quote Originally Posted by Maca49 View Post
    You guys never heard of ISO?
    Nah, everyone's still locked in the Imperial world
    With a very wee dash of eye-ometer error on behalf of the operator of the verniers I too would say the thread is as already suggested per DPT's post 13x1
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  10. 12-11-2016, 07:12 PM #9
    Maca49
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    God it's like buying an orphan!!
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    Boom, cough,cough,cough
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  11. 12-11-2016, 07:23 PM #10
    Gibo
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    Its screwed mate
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  12. 12-11-2016, 07:37 PM #11
    Pop Shot
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    Quote Originally Posted by Gibo View Post
    Its screwed mate
    Ssshhhhhh don't tell anyone it's a dirty .270 though aye.
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  13. 12-11-2016, 07:40 PM #12
    Maca49
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    It's a double orphan!!
    Pop Shot likes this.
    Boom, cough,cough,cough
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  14. 12-11-2016, 08:15 PM #13
    Gibo
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    Quote Originally Posted by Pop Shot View Post
    Ssshhhhhh don't tell anyone it's a dirty .270 though aye.
    Hardly any point supressing it then
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  15. 12-11-2016, 10:11 PM #14
    DPT
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    Quote Originally Posted by Pop Shot View Post
    I got 13 threads per 12.7mm. The last few mm is mainly the shoulder.

    Not sure what this means?
    1mm pitch is 12.7 threads per 12.7mm length, so I think you are pretty spot on for 13x1
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  16. 10-12-2016, 05:38 PM #15
    Pop Shot
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    @DPT @Friwi

    Have confirmed the thread is indeed m13x1. Your website doesn't list you guys using this thread pattern. Am I outer luck? Or are you able to manufacture a one off with this thread?
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