Drilling bucket with revolving hinged bottom gate and reamer bar for uncased drilling.
No. of cutters - reamer bar
reamer bar
Pilot - none
none
Casing - uncased
uncased
Range of application - Cleaning the bottom of the borehole
Cleaning the bottom of the borehole
Equipment - Kelly box 200 mm, automatic opening mechanism in heavy-duty version with guided opening rod, ventilation channel, hardfacing as wear protection
Kelly box 200 mm, automatic opening mechanism in heavy-duty version with guided opening rod, ventilation channel, hardfacing as wear protection