6 pdc pilot mill
DRILLSTAR Pilot Mill - fast and dependable casing millingDRILLSTAR Pilot Mill is ideal for milling tubular fish, cleaning a casing head before running casing patch and suppressing the damaged parts of a casing. Due to the pilot bit located below the blades, DRILLSTAR Pilot Mill can be perfectly directed to the target on the fish head, avoiding side tracking. Mud circulation holes.6 pdc pilot mill,DRILLSTAR Taper Mill - milling through any restrictionDRILLSTAR Taper mill is used to repair collapsed casings or tubings, and to shave off cement or corroded parts in casings. The taper mill hardfacing is designed to clean the casing without cutting it, and to penetrate very gradually. The upper part of the taper mill is long enough to allow the addition of . 115. 5 3/4 - 6 3/8".DRILLSTAR PDC hole opener - improve your hole opening .Drillstar PDC hole opener is a reliable solution for hole enlarging in both medium and hard formations. The body is machined out of a . Pilot Hole. Body OD. OD Upper Connection. API Thread UP. OD Lower Connection. API Thread LC. 8 1/2”. 6”. 5 3/4”. 6 1/2”. 4 1/2” IF. 5”. 3 1/2” IF. 12 1/4”. 8 1/2”. 8 1/4”. 8”. 6 5/8” REG.