Your single source for large diameter shaft-drilling equipment, tooling and installation methods.


The Steven M. Hain Co., Inc. fabricates all types of Specialty Augers – from large-diameter stepped-plate designs, to combination dirt/rock augers. Like all Hain-built augers, our Specialty Augers are designed for use on “high torque” truck/crawler rigs and crane-mounted drill attachments, and they are manufactured in the U.S.A. For more information about Steven M. Hain Company Specialty Augers, please give us a call at 1-800-527-1315, or send us an e-mail at

Combination 126-inch/132-inch DC/DF stepped-plate rock auger. Double cut, double flight combination dirt/rock auger.