Auger starters for continuous flight auger drilling (CFA)

No. of cutters - double-start

double-start

Pilot - Round shank chisel

Round shank chisel

Range of application - Very densely compacted sand and gravel, as well as rock

Very densely compacted sand and gravel, as well as rock

No. of cutters - double-start

double-start

Pilot - Round shank chisel

Round shank chisel

Range of application - Very densely compacted sand and gravel, as well as rock

Very densely compacted sand and gravel, as well as rock

No. of cutters - double-start

double-start

Pilot - none

none

Range of application - Very densely compacted sand and gravel, as well as fissured rock

Very densely compacted sand and gravel, as well as fissured rock

No. of cutters - double-start

double-start

Pilot - none

none

Range of application - Very densely compacted sand and gravel, as well as fissured rock

Very densely compacted sand and gravel, as well as fissured rock

No. of cutters - double-start

double-start

Pilot - Round shank chisel

Round shank chisel

Range of application - Soft to stiff cohesive soils, mainly in loamy and clayey soils

Soft to stiff cohesive soils, mainly in loamy and clayey soils

No. of cutters - double-start

double-start

Pilot - Round shank chisel

Round shank chisel

Range of application - Soft to stiff cohesive soils, mainly in loamy and clayey soils

Soft to stiff cohesive soils, mainly in loamy and clayey soils