Mills Machine Co. manufactures for stock and custom applications all types of earth drilling augers, bits and related products. Auger types include hollow stem, solid flight or construction augers, HexBore augers, and threaded jet augers for vertical or horizontal drilling. A variety of heavy-duty cutter heads are available for soft to hard formations, with replaceable cutters and connections to match individual requirements. Mills earth augers are available in any size or length and with your choice of pitch or flighting thickness. The stocked hollow stem augers range in size from 2 1¿inch ID to 12 1¿inch ID, with components to match. Mills Machine Co., Jubilee Booth No. 441