... core barrel parts 3.AQ BQ NQ HQ PQ T2 T6 etc. Diamond core bit, reaming shell & shoe bit (syn. and ... , T2-101, T2-101 coreline10. T6 Series Metric Core Bits: T6-76, T6-86, T6-101, T6-116, T6-131, T6-14611. T6S Series Metric Core Bits ... for AQ BQ NQ NQ3 HQ HQ3 PQ PQ3 T2 T6