RR441 Rotary drilling tool bit
Sandvik RR441, known as the Charger ™, revolutionizes the global mining market. A sealed journal bearing blasthole bit designed for surface mining. With up to 140% longer lifetime than comparable drillbits (RR222) and lower cost per meter we can offer a rotary bit that will pay off in the long run. Add to that, less bit changes and less manual handling. It´s Sandvik RR441, the real drill bit experience for the next generation.
Computational fluid dynamic (CFD) optimized nozzles for optimal hole cleaning and superior wear life. Also improved durability dual seal journal bearing. Compressive stress induced (CSI) carbide that is harder and tougher. A hard faced heel row for longer cone steel life.