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by Charles L. Cotton
Tue Jan 03, 2017 1:31 pm
Forum: General Gun, Shooting & Equipment Discussion
Topic: Drilling precision holes
Replies: 13
Views: 2925

Re: Drilling precision holes

Thanks guys, you confirmed pretty much what I suspected. I process several thousand rounds of brass annually, but not enough after any range session to be worth a lot of work or expense. I can just use the Shell Shorter with the extra 38 Super and .380ACP plates.

The comment about cameras has me thinking about an Arduino-controlled sorter, but again, that's too much work for the application.

Thanks,
Chas.
by Charles L. Cotton
Mon Jan 02, 2017 10:47 pm
Forum: General Gun, Shooting & Equipment Discussion
Topic: Drilling precision holes
Replies: 13
Views: 2925

Drilling precision holes

I'd like to build this brass sorter, but I have no idea how to drill the precise holes that would be needed. Not counting .45ACP and .40 S&W, here are the the holes I'm worried about: .380 ACP (.374"), 9mm (.391") and 38 Super (.406").

Is it possible to drill these holes within a 0.002 - 0.005 using a drill press?
Chas.

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