✅ 16" Roller Cone Hole Opener 16-in (40.6-cm) HOLE OPENER – Built to deliver precision engineered performance, this 16-in (40.6-cm) hole opener is designed to maximize production and cone life. Available in a multi-cone configuration with premium TCI cutters (IADC 637), it provides an effective solution for soft rock, fractured rock, cobble, and hard rock conditions. Configured with an 8.75-in (22.2-cm) stabilizer, this tool is suited for large diameter applications requiring high durability and consistent performance. These tools are rebuildable and designed to provide a reliable fit for your job requirements.