Charles Machine Works has released a new line of HD (heavy-duty) backreamers equipped with standard API threads to fit any industry drill less than 100,000 pounds.
The new models include the Beavertail HD, Warthog HD, Kodiak HD and Compact Fluted HD. For improved fluid flow, Beavertail HD and Warthog HD models have replaceable, hardened steel Allen-head nozzles. A range of shaft sizes and backreamer diameters are available.