PEERCHEER offers Q core barrel stop ring for use with BQ NQ HQ PQ core barrels. The BQ NQ HQ PQ stop ring is a hardened steel snap ring designed to seat into a mating groove, and retain the core lifter in the core lifter case.Q series stop rings are available for application in standard DCDMA B N H P size.
PEERCHEER’S core lifters are are made of high-quality alloy steel that is specially heat treated to increase strength, toughness, and wear life.