Double-walled casing with 30 mm coupling, wall thickness 12,5/12,5 mm, light design. Drill casings can be used in the Kelly drilling process, however not when a casing oscillator is in use.
Type - Heavy duty
Heavy duty
Equipment - Conical bolts, conical rings, threaded rings and locating keys
Conical bolts, conical rings, threaded rings and locating keys
