Main Applications
– Very dense sand and gravel
– Weak to medium hard rock (< 50 MPa)
– KBF-K2 is recommended in uncased bores or for bigger diameters and for secant pile walls
Features
– Kelly box 200 mm
– Round shank chisel pilot bit RP4
– Cutting edge and collar plate with round shank chisels
– Ventilation pipe
– Wear protection: hard facing or wear strips

Other lengths and diameters on request. All weigths are approximate values.