Profile: Sandvik Mining & Construction is a supplier of equipment, cemented-carbide tools, service and technical solutions for the excavation and sizing of rock & minerals. Our products include rock tools & systems, drill rigs & rock drills, load & haul equipment and conveyors & conveyor components. Our tool systems for machines such as coal shearers, continuous miners and road headers come in many shapes & sizes. They are available in special designs optimized for hard & soft rock conditions, and for different requirements encountered in each application. The RR320 blast hole bits have three different levels of leg protection options, and cone erosion protection for extended bit life.