It is essential that you use the right drill bits for the material you're likely to be drilling to. If you don't then it's possible that it may damage the surface and also the drill.
The very first thing to do is determine what type of material you will be creating holes in. If you're drilling into concrete you're likely to want drill bits for concrete, if it's wood, then you certainly need bits for timber, etc.
You have to understand what type of hole you're going to be drilling. You might even need bits for concrete to create really huge holes for something such as electric wires or something like this. You can get the star drive bits at screw solution very easily.
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If you are using plastic or wood or something same then drill bits for wood are a good choice since they are gentle enough to avoid any crack or splinter in the material.
If you have to drill bigger holes in this kind of material, then you want some sort of a scoop or Forstner bit. For soft metals, drill bits need to be made from titanium or cobalt or carbide.
If you're likely to be utilizing drill bits for concrete you're going to want a slightly different drill. As you can see with the proper drill bit to your job is very crucial to receiving the hole drilled properly and keeping the integrity of this substance you need holes inside.