WH77

Diameter - 600 - 2,000 mm

600 - 2,000 mm

Bored pile diameter - 600 - 2,000 mm

600 - 2,000 mm

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

Diameter - 520 - 1,840 mm

520 - 1,840 mm

Casing inside diameter - 540 - 1,910 mm

540 - 1,910 mm

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 - cased

cased

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