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Rifles, Reloading, Optics, Equipment
Gunsmithing
diameter vs thread size
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<blockquote data-quote="J E Custom" data-source="post: 1534016" data-attributes="member: 2736"><p>The best way I can tell you for safety is to = Take the barrel diameter and subtract the bore diameter and the minor diameter of the thread pitch. If the barrel wall is over .150 thickness each side, your OK. if it is under, you are getting into the safety factor.</p><p></p><p>There are thread tenons on some applications that are much less than .100 thickness between the thread root and the barrel grove but these installations are relying on the thread fit and brake for barrel strength. </p><p></p><p>Some get away with it and some don't. so I recommend that after you cut the thread, you end up with at a very minimum of .125 barrel wall thickness from the thread root to the bore grove.</p><p></p><p>Hear is a link that will help explain what you ask. Look at the last article under FAQs.</p><p><a href="http://www.jecustom.com/index.php?pg=Home&cmd=Cell&cell=FAQ" target="_blank">http://www.jecustom.com/index.php?pg=Home&cmd=Cell&cell=FAQ</a></p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1534016, member: 2736"] The best way I can tell you for safety is to = Take the barrel diameter and subtract the bore diameter and the minor diameter of the thread pitch. If the barrel wall is over .150 thickness each side, your OK. if it is under, you are getting into the safety factor. There are thread tenons on some applications that are much less than .100 thickness between the thread root and the barrel grove but these installations are relying on the thread fit and brake for barrel strength. Some get away with it and some don't. so I recommend that after you cut the thread, you end up with at a very minimum of .125 barrel wall thickness from the thread root to the bore grove. Hear is a link that will help explain what you ask. Look at the last article under FAQs. [URL]http://www.jecustom.com/index.php?pg=Home&cmd=Cell&cell=FAQ[/URL] J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
diameter vs thread size
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