What are the requirements for drilling tools for drilling?

The bit is directly broken part of the rock, its shape, structure, material, processing technology, etc. directly affect the crushing effect and the life of the bit. The drilling requirements for the drill bit are:

Shape reasonable structure, high drilling speed, long life, wear resistance, sufficient mechanical strength, easy to insert the hard alloy, have good powder discharge performance, manufacture, easy disassembly and grinding, and low cost.