What you don't do is let your kids buy you those yellow titanium coated drill bits, the ones in the pretty packages that are irresistible to them as Father's Day gifts. I figure they are mild steel coated in yellow and only good for one cut through pithy pine. Try them on a sheet of, say, 18 gauge steel and they howl with other worldly shrieks of protest until the friction makes them glow red and they melt. They will leave a scratch on your 18 gauge but surely no hole.
Now those double pointed short 1/8" pilot drill bits....I LOVE DEM BABIES!!!
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