Herrenknecht AG. Schlehenweg 2 , Schwanau , 77963 Germany About Solutions products services Publications videos Downloads Companies Herrenknecht AG. Videos Shaft Boring Roadheader (SBR) Video Shaft Boring Roadheader (SBR) Video 0 Share Quick and safe construction of blind shafts down to a depth of 1,000 meters Customer comments No comments were found for Shaft Boring Roadheader (SBR) Video. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!