HI there 5 millimeters is metric you could step up to
6 millimeters that is; one quarter inch.
A 1/4 inch bit will do it.
I use 6mm for 6mm, but if you don't have a metric set, 1/4 inch is only very slightly bigger.
Use a standard HSS drill bit, but slow down rotation to about 500 rpm.
You need a diamond tipped drill bit to drill glass or tile.
For hanging hooks, the best type of drill bit to use is a masonry drill bit.
You can use millimeters.
A metric ruler is the most common device used to measure millimeters.
You don't need a drill bit for anything on drywall.
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.
For drilling into metal, you should use a cobalt drill bit.
The size of the drill bit you should use for your project depends on the size of the hole you need to drill. Check the project specifications or use a drill bit sizing guide to determine the appropriate size for the job.
Millimeters