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Drilling holes in cases.

Y

yuriy80

[H]ard|Gawd
Joined
Dec 27, 2000
Messages
1,036
What is the best/safest way to drill holes 3" in the 1mm sheet metal cases?
 
The ones you use to drill holes in wood?

That's what I bought and used to drill 2 holes, but it doesn't cut them as cleanly as I would like.

Technically, I should be using this
stepbithenl.JPG
to cut holes in metal, but they don't have them in 3" width size, not to mention they are hella expensive! I could be wrong... The 3" holesaw is $90 bucks here http://www.relton.com/holesaw2003.html. Damn!

Just wondering what everyone else out there is using to cut holes 3" and larger.
 
it should not be more then $30 for the saw and $15 for the arbor. got to home depot to find prices like that
 
Yeah they don't make Step bits that will do up to 3" at least not at a price that is reasonable. You could have one custom made but we aren't talking reasonable. There are hole saws that are for cutting Ferris and Non-Ferris metals (Non-Ferris = Stuff without Iron basicly, Copper, Alum). The Wood ones will likely dull quickly and not give you a very clean cut.
 
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