Min. Order Reference FOB Price
1 Piece US$16.00-30.00 / Piece
Product Description
Specifications 1. Available in all standard drilling sizes. 2. Hardened alloy. SIZE: BQ NQ HQ PQ NQ3 HQ3 PQ3 Whole set drilling tools we supply: Stop Ring, Core lifter, Core lifter case, Locking coupling, adaptor coupling, Landing ring, Inner tube Stabilizer, overshot, Casing tube, ...