China Nq Hq Pq Adaptor Coupling

Specifications
1. Expert Manufacturer of Locking Coupling
2. AQ, BQ, NQ, HQ, RQ, PQ, T2, T6, 146, etc
3. Favourable price and good quality
Locking coupling is set with natural or synthetic diamond, and it is used to couple the dril bit with the core barrel. Its main function is to ream the hole to the correct comstant specific diameter which ensures adequate clearance for the core barrel and sufficient clearance for the new bit which replaces an old one. It also acts as a stabilizer for drill bit.
Specifications:
Q: AQ, BQ, NQ, PQ(Front end & Back end Type)
T: T36, T46, T56, T66, T76, T86
T2: T2 56, T2 66, T2 76, T2 86, T2 101
T6: T6 76, T6 86, T6 101, T6 116, T6 131, T6 146
WF: HWF, PWF, SWF, UWF, ZWF
WT: RWT, EWT, AWT, BWT, NWT, HWT(Single Tube, Double Tube)
WG: EWG, AWG, BWG, NWG, HWG(Single Tube, Double Tube)
WM: EWM, AWM, BWM, NWM
Note: For more specifications, please feel free to contact us.
NQ LOCKINIG COUPLIING HQ LOCKING COUPLING PQ LOCKING COUPLING