CFA Drilling Systems for Piling Brochure

Single-walled casings for the double head drilling system have a standard wall thickness of 10-16 mm and a welded-on casing shoe with cutting teeth. They are fitted with a male coupling for connection to the casing head adaptor, and are available in all working lengths.Our casings for double head drilling systems are available to suite all popular drilling units.  Depending on the diameter, they have either 2 or 3 side openings for discharge of spoil, and a female coupling to accept the casing. The standard working length is 1,000 mm.