... : 14mm-58mm 2.u drilling indexable drilling tools:3 times of diameter, tools' diameter: 14mm-58mm Drilling tool:ZD drilling ... tools3,4,5times of diameter, tools' diameter:14mm-58mmZTD drilling tools3,4,5times of diameter ... , tools' diameter:14mm-58mmZTD03-170-XP25-SP06-02ZTD03-180- ... -SP09-02ZTD03-340-XP32-SP09-02 indexable drilling tools