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help with hole saw

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IMMark:
In my experience, DeWalt doesn't make good cutters...
If you want quality buy a Milwaukee or comparable :)

spystyle:
I've run hole saws through metal many times when doing computer case mods, although the metal is thinner - the dynamics are the same, if your metal isn't flush against wood you will burn the hole saw, a little chainsaw lubricant (or bacon grease, motor oil, vegtable oild, whatever is handy) will help keep things cool.

Try clamping the metal in question to a sheet of 3/4" particle board and have a go, I have a sheet of the stuff in my basement with all kinds of circles engraved in it, I call it my hole saw table. To secure the metal I just stand on it, but clamps are probably safer, I run the saw through using my DeWalt variable speed drill @ about 100 RPMs. I use bi-metal hole saws from Home Depot (I think they are called Wolf)

DeWalt rules!
Craig

Mameotron:
What exactly is the damage to your hole saw?

brained:
Well I did two holes last night and it went ok.... since my el cheapo drill has no slow RPMS I just drill a little then stop, just to avoid overheating.... Can I use car engine motor oil as my lube?????

brained:
The only thing I know about my drill is that it

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