double cut Rock auger with collar plate

Main application very dense sand and gravel, weak rock up to 50 MPa SBF-K2 is recommended in uncased bores or for bigger diameters and secant pile walls Features Kellybox 200 mm Round shank chisel pilot bit RP4, cutting edge and collar plate with round shank chisels wear protection: hard facing or wear

diameter 600/700/800/900/1000/1200/1500/2000mm