Irin lile lile giga jẹ olokiki ni ohun elo gige, ku ati awọn ile-iṣẹ mimu.Okeene titan, milling roboto dara, ṣugbọn nigbati o ba nilo lati gba ti o dara dada pari, o gbọdọ lọ o.Ṣugbọn fun irin lile lile lile, awọn kẹkẹ abrasive ti aṣa ko ni iṣẹ ṣiṣe ti ko dara.O dara, awọn kẹkẹ CBN jẹ awọn kẹkẹ lilọ ti o dara julọ tabi awọn wili didin fun Awọn irin Hardened.