Advanced Mining offers the world's widest range of equipment for rock drilling, rock excavation, processing, demolition, bulk-materials handling and equipment for surface and underground mining.

Blast hole bits

RR320 Blast hole bits - air cooled bearings

Sandvik Endeavour TM air cooled bearing package has many features. This newest generation air bearing technology is based on improved geometry and machining technology coupled with new material specifications. The resulting is longer bearing life.

Features and values

  • Large selection of cutting structures.
  • Insert shapes and grades designed to provide long life and high productivity.
  • Three different levels of leg protecion options.
  • Cone erosion protection for extended bit life.
  • Expert support by Sandvik sales and service support team.

Sandvik air cooled bearing blast hole bits

RR440 Blast hole bits - sealed bearings

Sandvik's patented Charger® QX2® journal bearing system operates in a lubricated environment, and has greater bearing capacity than an air cooled bearing. The Charger® QX2® bearing system delivers the highest bearing hours in the industry.

Features and values

  • Large selection of cutting structures.
  • Insert shapes and grades designed to provide long life and high productivity.
  • Three different levels of leg protecion options.
  • Cone erosion protection for extended bit life.
  • Expert support by Sandvik sales and service support team.

Sandvik Sealed bearing blast hole bits