single cut drilling bucket with collar plate

double cut Drilling bucket with collar plate

Main application stiff to hard silt and clay, loose to dense sand and gravel up to coarse gravel  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

size 520mm/600mm/700mm/800mm/900mm/1000mm/1200mm/1500mm/2000mm/2500mm

other size can meet too