The kelly spinner to make use of in artesian well process the liquid presses or the air pressure does the motive, driving the Kelly revolves, match with small rat hole caliper the usage, as a result complete a kind of appropriation that connect automatically the single root equip. Its characteristics is a safety, efficiently, alleviate worker labor strength. In addition to the fleetness connects single root, can also use at salvage the homework, search direction or demands the slow the artesian well tool that turn last, and drill the size rat hole use.
XFK－77Y（Q）type the kelly spinner according to the advanced kind in the United States machine, the combinative local circumstance researches to manufacture of, this kelly spinner contain construction tightly packed, usage work properly then, safe and dependable etc. characteristics.