Type AU-RSC cased

Effective length - 1,500 mm

1,500 mm

Diameter - 520 - 1,850 mm

520 - 1,850 mm

No. of cutters - single-start

single-start

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 - Very densely consolidated non-cohesive soils and low strength rock up to approx. 50 Mpa. and platy rock.

Very densely consolidated non-cohesive soils and low strength rock up to approx. 50 Mpa. and platy rock.

Equipment - Kelly box 200 x 200 mm, cutter bar with round shank chisels and calibration chisels, round shank chisel pilot bit, easily exchangeable hard metal wear plates and hardfacing as wear protection

Kelly box 200 x 200 mm, cutter bar with round shank chisels and calibration chisels, round shank chisel pilot bit, easily exchangeable hard metal wear plates and hardfacing as wear protection