Center Rock’s new and improved ROTO LOC underreamer drilling system for casing advancement is redesigned and easier to use! Center Rock designed the ROTO LOC overburden drilling system to work flawlessly in the most demanding casing advancement situations. With wings that lock in place and are easily retractable, ROTO LOC is able to drill straight through any formation, including pinnacle limestone and karst, eliminating bent or broken casing. Ranging in sizes 5.5”-36” (140-914mm) ROTO LOC also saves you money because there are no expensive starter casing J-teeth or ring bits needed.

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