Section MillSection mills are primarily used to mill sections in the casing for: Sidetracking, gravel packing, and/or perforation zones. GAOTON section mill is available in a variety of Casing sizes, ranging from 4 1/2" to 13 3/8". The blades are dressed so that all blades simultaneously mill the casing, with the milling rates usually limited by the ability of the fluids to remove the cuttings from the hole.Please specify when ordering:●Tool model●Size and weight of Casing to be milled●Top connectionTechnical Parameters--Section Mill Model DXG114 DXG127 DXG140 DXG168 DXG178 Casing Size in 4 1/2 5 5 1/2 6 5/8 7 Body O.D in 3 7/8 4 1/2 4 1/2 5 3/4 6 Fishing neck O.D in 2-3/8REG 2-7/8REG 2-7/8REG 3-1/2REG 3-1/2REG    Model DXG1194 DXG219 DXG245 DXG298 DXG340 Casing Size in 7 5/8 8/8 9 5/8 11 1/4 13 3/8 Body O.D in 6 1/2 7/8 8 9 1/4 11 1/2 Fishing neck O.D in 3-1/2REG 4-1/2REG 4-1/2REG 6-5/8REG 6-5/8REGIf you have any further requirements, please feel free to contact us by sales@sxgtpm.com