B76 Surface-Set Diamond Reaming ShellBrief Introductions of Reaming ShellsReaming shell is used to couple the drill bit with the core barrel. It is suitable for use on all conventional and wireline core barrel. This product is mainly designed to ream the hole to the standard diameter. It can keep th......


B, N, H, P Locking Coupling Tanged, Adapter Coupling
B, N, N-3, H, H-3, P Fluted/Slotted Core Lifter
B, N, H, P Recovery Tap Right Male Left Male
B, N, H, P Surface Set/Impregnated Diamond Drill Bit Core Drill Bit
Od19.05*13.2mm Heat-Resistant Polycrystalline Diamond Layer PDC Drill Bits
Hjg DTH Bit - HD85 ( DHD380 , COP84)