Under Reaming Bits
At the CONEXPO-CON/AGG 2002 this month in Las Vegas, one of the products Numa will display is its recently expanded range of the Super Jaws Under Reaming Bits. Capable of drilling holes from 5 7/8 inches to 48 9/16 inches in diameter, Super Jaws is an under reaming wing bit design made for simultaneously setting casing while drilling in unconsolidated rock formations of boulders and loose strata. Numa, Card No. 299