Main application
stiff to hard silt and clay, loose to dense
sand and gravel
KB-K up to coarse gravel
KB-K2 is recommended in uncased bores or for bigger diameters and for secant pile walls.
Features
Kellybox 200 mm
round shank chisel pilot bit RP4, teeth FZ 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.