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Thread: Action Threads

  1. #1

    Action Threads

    Can I ask the knowledgable people on SD where I can find all the action thread sizes for the differant make actions available.
    AT THE AGE OF 50 I DECIDED I WAS GOING TO GROW OLD F***ING DISGRACEFULLY

  2. #2
    I don't know about all but certainly "Bolt Action Rifles" by Frank de Haas lists the details of many. http://www.amazon.co.uk/Bolt-Action-.../dp/0873491688
    It's the calibre of the shooter that counts not the calibre of the rifle.

  3. #3
    Distinguished Member Ronin's Avatar
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    Makers regularly (over a period of years) change the thread OD and pitch.

    One has only to look at Sako and Tikka to be easily confused….

    Most Custom actions are 1.0625" x 18Tpi or 16 Tpi (though some have larger OD)

    Rems are usually (unless they've been blueprinted) 1.0625" x 16Tpi

    Tikka and Sako could range from .900" x 16 Tpi to 1.00" x 16 Tpi

    Though this isn't prescriptive by any means,,,,,and I ALWAYS check the take off AND and action diameters before I machine a new barrel to fit.

  4. #4
    I presume that you also double check the thread form, radius & angle - & which is it normally - 55 degrees or 60?

    Ian

  5. #5
    Distinguished Member Ronin's Avatar
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    Yes

  6. #6
    Barrels and Actions by Harold Hoffman has a very comprehensive list including a lot of the old stuff, like Enfields, Mausers, Springfields and Rolling blocks.
    It has detailed specs on thread froms, both 55 and 60 degree forms and square threads as found on the above, as well as lists of bore and groove diametres for most calibres.

    Ian.

  7. #7
    Quote Originally Posted by Redmist View Post
    Yes


    Ian

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