Infinity Tool Manufacturing is an ISO9001:2008-accredited U.S. manufacturer of down-the-hole hammer bits, horizontal directional drilling, patented bit retention systems, and a provider of oil and gas hammers among other things. Bits come in various sizes from 2 to 32 inches. Infinity has manufactured Directional Hammer bits for more than 10 years for a range of drilling applications including oil and gas, geothermal, water well, construction, horizontal directional drilling and mining.