Question: how do you tell the difference between drill bits?
Answer: Wood Drill Bits: These can be identified by a small, pointed tip at the very end. If you look closely, you can see spurs on each side. ... 
Masonry Drill Bits: These bits have a gently sloping tip. ... 
Metal Drill Bits: These have a wide-angled point at the end, and they may also be painted black.