1200mm Diameter CFA augers 210mm A/F hexagon, double tube
In the foreground Rocbuster Lead Auger behind Heavy Duty (Standard) Lead Auger
Double Tube 450mm Diameter Progressive Cut Rock Lead Auger
Double Tube Dual Purpose Lead Auger, tungsten carbide B47K22H on one side set lower than BFZ100 teeth on the other side, the picks break the material up and the flat teeth then pick the material up onto the flights, a very good general auger.
Rockbuster lead auger, petals are 76mm thick Hardox 400