The Model 60 Rotary Reamer utilizes a simple non-sealed bearing design making it cost-effective to run in many applications. It is available in a broad range of hole sizes from 5.7/8 inches to 34 inches and offers a choice of two cutter designs. The Model 62 offers a large bore feature available only on tools from 6 1/2 inch to 8 3/4 inch hole size. Both models come in three- and six-Point reamers for bottom hole and string placement. Cutters are retained using a simple but effective design that ensures the cutter assembly can stand up to the harshest drilling conditions. Features and Benefits: • Large diameter, carburized and hardened pins serve as robust Abrasion-resistant bearing sections. • True rolling reamer cutters offer two cutting structure options • The “Type Q” cutter achieves maximum reaming action in medium to hard formations where crushing action against the formation is preferred. • The “Type K” Knobby cutters use Tungsten carbide inserts to fracture the rock, and are recommended for use in hard formations. Applications: • The Model 60 Rotary Reamer offers multiple cutting structure options to suit variable formation conditions • Renowned for its reliability, rig site serviceability, and a reputation for maintaining hole gauge in extreme high temperature hole conditions.