Augers for Kelly drilling

No. of cutters - single-start

single-start

Pilot - Round shank chisel

Round shank chisel

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.

No. of cutters - single-start

single-start

Pilot - Round shank chisel

Round shank chisel

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.

No. of cutters - double-start

double-start

Pilot - Round shank chisel

Round shank chisel

Range of application - Very densely consolidated non-cohesive soils, low strength rock up to approx. 50 Mpa, platy rock and secant bored piled walls.

Very densely consolidated non-cohesive soils, low strength rock up to approx. 50 Mpa, platy rock and secant bored piled walls.

No. of cutters - double-start

double-start

Pilot - Round shank chisel

Round shank chisel

Range of application - Very densely consolidated non-cohesive soils, low strength rock up to approx. 50 Mpa, platy rock and secant bored piled walls.

Very densely consolidated non-cohesive soils, low strength rock up to approx. 50 Mpa, platy rock and secant bored piled walls.

No. of cutters - double-start

double-start

Pilot - Round shank chisel

Round shank chisel

Range of application - Very densely consolidated non-cohesive soils, low strength rock up to approx. 50 Mpa, platy rock and secant bored piled walls.

Very densely consolidated non-cohesive soils, low strength rock up to approx. 50 Mpa, platy rock and secant bored piled walls.

No. of cutters - double-start

double-start

Pilot - Round shank chisel

Round shank chisel

Range of application - Very densely consolidated non-cohesive soils, low strength rock up to approx. 50 Mpa, platy rock and secant bored piled walls.

Very densely consolidated non-cohesive soils, low strength rock up to approx. 50 Mpa, platy rock and secant bored piled walls.

No. of cutters - double-start

double-start

Pilot - none

none

Range of application - Medium-hard rock up to 60 MPa, fissured rock

Medium-hard rock up to 60 MPa, fissured rock

No. of cutters - double-start

double-start

Pilot - none

none

Range of application - Medium-hard rock up to 60 MPa, fissured rock

Medium-hard rock up to 60 MPa, fissured rock

No. of cutters - double-start

double-start

Pilot - none

none

Range of application - Medium-hard rock up to 60 MPa, fissured rock

Medium-hard rock up to 60 MPa, fissured rock

No. of cutters - double-start

double-start

Pilot - none

none

Range of application - Medium-hard rock up to 60 MPa, fissured rock

Medium-hard rock up to 60 MPa, fissured rock