) Sealed Journal Bearing Roller Cones - Engineered for precision and durability, these roller cones are designed for both Roller Cone and Reverse Circulation Underreamers. ) Versatile Application - Ideal for straightening doglegs, increasing borehole yields, or sealing off zones to prevent contamination. ) Compatibility - Works seamlessly with both air and mud rotary systems, ensuring flexibility across different drilling environments. ) Wide Range of Sizes - From 6" to 18" and beyond for Roller Cone Underreamers, and 3-7/8" to 30" and larger for Drag and PDC type Underreamers. ) Reverse Circulation Option - Specifically tailored for larger size holes, with the capability to be modified for any size, offering adaptability for diverse drilling requirements. Now Available! millsmachine.com
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