Effective length - 1,200 mm
1,200 mm
Range of application - Compact rock from 100 Mpa up to about unreinforced concrete 250 Mpa
Compact rock from 100 Mpa up to about unreinforced concrete 250 Mpa
Equipment - Kelly box 200 mm, easily exchangeable tapered roller bits with carbide pins, teeth and conveyance flights for transporting the drill cuttings. Easily exchangeable hard metal wear plates and hardfacing as wear protection
Kelly box 200 mm, easily exchangeable tapered roller bits with carbide pins, teeth and conveyance flights for transporting the drill cuttings. Easily exchangeable hard metal wear plates and hardfacing as wear protection
Bored pile diameter - 700 - 2,000 mm
700 - 2,000 mm
Diameter - 700 - 2,000 mm
700 - 2,000 mm
Casing - uncased
uncased