reaming shell impregnated diamond core bits Core bits Diamond core bits Diamond core tools

1. Include standard reaming shells, backend reaming shells, two ring reaming shells and carbide locking couplings. 2. Natural diamond reaming shells, synthetic diamond impregnated reaming shells and PCD surface-set reaming shells.3.Resistant matrix and good for different types of grounds.4. The size of reaming shells : AQ, BQ, NQ, NQ3, HQ, HQ3, PQ,

reaming shell