Once in a while I need a small drill, or even large, to do some of my work. This Banggood product offers, in a same page, all steel drills from 0.5 mm up to 10 mm. You can buy ten of each!
I bought 6 different sizes, but haven't arrived yet because the site divided into two packages. Below we have the 6 Bur.
This little one is 0.5 mm.
And this below is from 2 mm.
Even with the low dollar, This is a product worth. The price is good and the product has good quality, Besides being a little difficult to find. Below the link to the page, where you can choose the drill size: