double cut rock Progressive auger 1000mm used for deep foundation piling work bauer soilmec typedouble cut Progressive auger

double cut rock Progressive auger 1000mm used for deep foundation piling work bauer soilmec typedouble cut Progressive auger Double cut rock auger ,double start rock auger for deep foundation piling work single cut Progressive auger Main application moderately strong to strong rock (50 - 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 tianjin huachang xingye technology co.,ltd  email info@tjdrilling.com  web:www.tjdrilling.com  tel:0086-22-58656461 whatsapp :008618902059907