t00lb0x, just don't use the cheapest ones you can find, and I wouldn't go with the drill bits that are sold in all the diameters in one box, in my experience, they are (mostly) crap.
Go and buy the decent ones, buy only a few in diameters you need, and you're good to go. The drill bits I used costed approx 2.5 euro each (small ones almost 5 euro a piece), they are HSS-super, nothing fancy and they work very well.
You'll be satisfied with the result, and you won't ruin that (almost finished) workpiece...
Cheers!
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'Out of cheese error...
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