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Rifles, Reloading, Optics, Equipment
Gunsmithing
How do you guys cut your threads?
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<blockquote data-quote="James Jones" data-source="post: 188282" data-attributes="member: 8843"><p>I forgot to mention that I use the slowest RPM possible generaly 40-60 RPMs with a Kennametal top notch insert (NPR3-KC850) this makes for a very clean glassy thread.</p><p> </p><p>I also like to use the older style Aloris threading blades but the Carbide makes superior threads in my oppinion an their is no worry about regrinding a tip to match what you had if you chip one , just turn the insert over or replace it ,they are setup with the optimal rake and chip breaker , kind like cheating !!</p><p> </p><p> </p><p>I love to watch CNC's run , never stops impressing me how fast and accurate they cut things. </p><p>Chad , Nesika uses CNC's to thread their barrels? , that must realy speed up building time huh?</p></blockquote><p></p>
[QUOTE="James Jones, post: 188282, member: 8843"] I forgot to mention that I use the slowest RPM possible generaly 40-60 RPMs with a Kennametal top notch insert (NPR3-KC850) this makes for a very clean glassy thread. I also like to use the older style Aloris threading blades but the Carbide makes superior threads in my oppinion an their is no worry about regrinding a tip to match what you had if you chip one , just turn the insert over or replace it ,they are setup with the optimal rake and chip breaker , kind like cheating !! I love to watch CNC's run , never stops impressing me how fast and accurate they cut things. Chad , Nesika uses CNC's to thread their barrels? , that must realy speed up building time huh? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
How do you guys cut your threads?
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