WH320

Effective length - 1,500 mm

1,500 mm

Diameter - 520 - 1,840 mm

520 - 1,840 mm

No. of cutters - progressive

progressive

Pilot - Round shank chisel

Round shank chisel

Connector - Kelly box - 200 mm Spanner width

Kelly box - 200 mm Spanner width

Casing - cased

cased

Range of application - Hard rock up to 100 MPa

Hard rock up to 100 MPa

Equipment - Kelly box 200 x 200 mm, round shank chisels densely mounted on the progressive auger part, exchangeable round shank chisel pilot bit, easily exchangeable hard metal wear plates and hardfacing as wear protection

Kelly box 200 x 200 mm, round shank chisels densely mounted on the progressive auger part, exchangeable round shank chisel pilot bit, easily exchangeable hard metal wear plates and hardfacing as wear protection

Effective length - 1,500 mm

1,500 mm

Diameter - 600 - 2,000 mm

600 - 2,000 mm

No. of cutters - progressive

progressive

Pilot - Round shank chisel

Round shank chisel

Connector - Kelly box - 200 mm Spanner width

Kelly box - 200 mm Spanner width

Casing - uncased

uncased

Range of application - Hard rock up to 100 MPa

Hard rock up to 100 MPa

Equipment - Kelly box 200 x 200 mm, round shank chisels densely mounted on the progressive auger part, exchangeable round shank chisel pilot bit, easily exchangeable hard metal wear plates and hardfacing as wear protection

Kelly box 200 x 200 mm, round shank chisels densely mounted on the progressive auger part, exchangeable round shank chisel pilot bit, easily exchangeable hard metal wear plates and hardfacing as wear protection