[sdiy] Machining aluminum, part deux

[Grant Richter]

There are drills that work better in aluminum. The "bullet" style where it
is more like a machine cutter than a drill. I believe Black and Decker
markets them. They are more accurate in aluminum than the traditional drill
style.

> 
> Another thing: If you can manage it, buy high-quality
> bits. I've has cheap bits that just were not worth a
> damn. You local hardware store is guaranteed to have
> cheap bits. I buy mine online from machinery outlets
> like MSC Industrial or McMaster-Carr.