Single-start drilling bucket with revolving hinged bottom gate, flat teeth and pilot bit, recommended for drilling diameters up to approx. 1500 mm.
No. of cutters - single-start
single-start
Pilot - Fishtail pilot bit
Fishtail pilot bit
Casing - uncased
uncased
Range of application - Firm to very stiff cohesive soils as well as in loosely to densely consolidated non-cohesive soils.
Firm to very stiff cohesive soils as well as in loosely to densely consolidated non-cohesive soils.
Equipment - Kelly box 200 mm, flat teeth, fishtail pilot bit, automatic opening mechanism in heavy-duty version with guided opening rod, hardfacing as wear protection
Kelly box 200 mm, flat teeth, fishtail pilot bit, automatic opening mechanism in heavy-duty version with guided opening rod, hardfacing as wear protection