A nickel-base superalloy drilling comparison test was carried out with a carbide drill of the Chinese brand YG10, which selected and coated TiN coating, AlTiN coating TiAlSiN coating. Analysis life, force, temperature, wear machined surface quality were out. It can be seen that both prolong tool life YG10 when GH4169. In contrast, TiAlSiN-coated has poor hardness is easy worn, not suitable for ...