Full Hole Locking Coupling and Adapter Coupling

TypeLocking coupling

SizeAQ, BQ, NQ, HQ, RQ, PQ, T2, T6, 146, etc


>> Application

Locking coupling is set with natural or synthetic diamond, and it is used to couple the drill bit with the core barrel. Its main function is to ream the hole to the correct constant 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 the drill bit.

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PRODUCT DESCRIPTION

>> Characteristics

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

>> Specification


>> Stock&Shipping

Locking coupling

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