1, Drill Bits are generally used for drilling and reaming, the common types are Twist Drill, reaming drill, deep hole drill, chamfering drill and so on - to the best Tool OBS Twist Drill Bit.

2, Center bit: generally used for drilling before the center point.

3, twist bit: the most widely used bit for industrial manufacturing, we generally use twist bit.

4. Super hard Drill Bit: the front end or all of the drill body is made of super hard alloy cutting material, which is used for drilling materials.

5, Oil hole drill bit: there are two holes in the drill body, through which the cutting agent reaches the cutting edge part to take away heat and chips.

6, Deep hole drill: the first used for barrel and stone drilling processing, also known as barrel drill. The deep hole bit is a straight groove type.