double cut Progressive auger
Information
double cut Progressive auger
Main application moderately strong to strong rock (50 ¨C 100 MPa) is recommended in uncased bores or for bigger diameters Features Kellybox 200 mm pilot bit RP4 with round shank chisels progressive cutting edge with round shank chisels wear protection: hard facing or wear strips
diameter
600/700/800/900/1000/1100/1200/1500/2000mm
