Drill dry. You need a carbide tipped bit that's rated for metal; this will be obvious on the outside of the packaging. I'd drill fast.

How to drill aluminumwith handdrill

As far as drilling speed goes, you can refer to a cutting speed chart and do a bit of math. Aluminum's cutting speed is 350-400 fpm or 106,680-121,920 mm/minute. The distance travelled by a point on the outermost edge of the bit during one revolution is D*pi = 10.9955743 mm.

Bestdrillbit foraluminum

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How to drillintoaluminumdoor

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What type of drill bit do I need? What speed should I run the drill; fast or medium or slowish? Should I use a cutting compound or anything similar or just drill dry?

This gives roughly 9,700 to 11,100 RPM for your drilling speed. Most handheld drills can't get over 2,500 RPM, so you shouldn't have to worry about drilling too fast if you're using one.

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