Reply by NoLongerHere

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Posted on Relief holes when using large forstner bit?

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893 posts in 3757 days

#1 posted 02-04-2014 01:21 PM

Hey Rick, That’s a good idea with a hole saw.
The dust is fine and would drop through the smaller hole. I’ll have to try that next time.

But that crazy wheel cutter bit looks like a medieval torture device. Too scary! Ha!

He’s drilling a 4” deep hole so the hole saw wouldn’t work. he’s also using a forstener bit which cuts large shavings and wouldn’t drop through a small hole – probably just get clogged.

I’d clamp a fence guide to the drill press and use an air hose and constantly clear the hole and work area. Do short 3/4 cuts and then blow it out, that’s the key. Cut most of the hole, drill a pilot hole, flip and finish it.

The problem with trying to drill it out first is the blowout on the back – unless you plan on flipping it and finishing the holes. I see this as a huge waste of time. Just drill the damn thing already! Ha! and don’t force it till it burns.

You might have to buy a new bit too.

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