hammers, bit blow tubes


(800) 356-6862

646 Thompson Rd PO Box 348, Thompson, CT, 06277-2214, United States

NUMA designs and manufactures down-the-hole hammers and bits for drilling hole diameters 3½ to 42 inches. The company is a provider of conventional as well as reverse circulation hammers and bits to the water well, oil/gas, mining, quarry, construction, foundation, environmental, and exploration industries.Read more…