Description: The Bevel Leader and the Milling Wimble are used with the inside casing drilling Casing StructureStructure Size(mm)Window length(mm)For deviationSeated wayConnector thread51/2"Ordinaryφ116×33701800-2000≤30°Block a pressure seal with anti-rotation, anti-upper and lower activity.27/8RGBLeak-proof typeφ116×34007"(177.8)Ordinaryφ150×40002400-2500RGBLeak-proof typeφ150×4200 Milling Wimble ...
