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metal drill bit has a finer point
A titanium or cobalt drill bit.
The precise shape and angles of a drill bit.
A tungsten coated drill bit.
No
No
You need a diamond tipped drill bit to drill glass or tile.
That is a drill bit designed to remove partial drill bits that have broken in a hole
You attach a drill bit into the chuck of the drilling machine.
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You can drill holes in aluminum with a drill as long as you have the proper drill bit. Use a regular drill bit and keep speed moderate.
That size is 8-32. The drill bit for a clearance hole is 11/64, or a #17 drill bit.