) 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 See us at Booth 1229 Groundwater Week 2025 in New Orleans
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