Forged - Friction welded drill rods

Forged-One-Piece Drill rods

MI HDD, Mining & Waterwell additives and fluids

Astec Underground Group products distribution



International Conference No-Dig 2009 Toronto 14/07/2008		Bauma 2010 21/08/2009

International No-Dig 2009 will take place March 29-April 3 at the Sheraton Centre in Toronto. The exhibition is open to contractors, engineers, officer, manager ...continue »		The 29^th International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines, Construction Vehicles and Construction Equipment will be held...continue »

Colli Drill s.p.a. was certified ISO 9001 in 1996 for the production of drill rods. The quality certificate is the result of the commitment of the company throughout the years in the fields of research and product innovation .