Sealed Friction Bearing Bits
The family of Throop sealed friction bearing bits, includes both slimhole and standard TCI & Mill tooth tricone drill bits has gained significant field experience over the last decade, making our bits a trusted choice amongst industry professionals worldwide. Throop's generation two bearing package, featuring silver plated thrust washers and bushings, proprietary seal compounds, specially formulated bearing lubricant, and robust grease compensation system come standard on each product.