PEERCHEER offers BTW NTW HTW impregnated reaming shell use for use with BTW NTW HTW core barrels. BTW NTW HTW impregnated reaming shell has a mixture of diamond stones concentrated on the surface of the reamer pad. BTW NTW HTW impregnated reaming shells increased stability and reduced vibrations due to the specially designed pads.The design provides increased contact with the circumference of the hole. Peercheer reaming shells experience longer life in the field due to the greater number of diamonds and carbide reinforcements.TW series impregnated reaming shell is available for application in standard DCDMA B N H size.