The Soilmec SF 70 drilling rig is the evolution of the already existing equipment dedicated to Continuous Flight Auger drilling technique. br More information on the SF-70 at: br The upper structure of the SF 70 is mounted on Soilmec base carrier and has been designed to perform: br - C.F.A. bored piles br - Piles bored with Down-The-Hole-Hammer (D.T.H.