Mobile Drill introduced hollow-stem augers to the drilling industry in 1954 and continues to expand its available product line to provide value to its customers. 2-Key SD & HD, 3-Key, threaded, NWJ & API jet augers, standard duty and HEX-COR® augers are manufactured and tested in-house, and are available in a variety of sizes. Contact your Mobile Drill sales representative today to place an order.