How do I safely drill holes in my telescope tube? -
2009-3-2 · I drill 1/2 way thru from the outside, then move the drill to the inside of the tube and finish the hole inside-out. No tearing this way, and it is pretty quick. the spike in the bit makes a good pilot hole for when you move to the inside. My 10' scope has a 12' tube, though, and my cordless drill + …
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