Reply by JMillerWoodworks

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Posted on Pen Turning Mandrel Question

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52 posts in 1193 days

#1 posted 02-08-2018 02:52 AM

Thanks for the info! Now that I look it up online (I had been looking at a PSI catalog) I see that the 30 caliber bolt action pen is a 7mm. The one question that I have is if it uses a 7mm mandrel; then how come you used a 3/8” drill bit? 7mm is equivalent to 1/4”. Is the barrel actually 1/8” thick to made up for the difference of the drill bit? Thanks for commenting!

-- - Joel Miller "Striving to be like the Carpenter of Galilee"

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