Pilot - Round shank chisel
Round shank chisel
Range of application - Fracture existing building elements, break out drill cores, drill rock < 100 MPa, penetrate boulders.
Fracture existing building elements, break out drill cores, drill rock < 100 MPa, penetrate boulders.
Casing - uncased
uncased
Equipment - Kelly box 200 mm, three cutter bars with round shank chisels and round shank chisel pilot bit; easily exchangeable hard metal wear plates and hardfacing as wear protection
Kelly box 200 mm, three cutter bars with round shank chisels and round shank chisel pilot bit; easily exchangeable hard metal wear plates and hardfacing as wear protection