Min. Order Reference FOB Price
1 Piece US$70.00-200.00 / Piece
Product Description
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 ...