The use of drilling equipment to electricity. Is a power tools in conventional products, but also the greater demand for products. The annual production and sales accounted for 35% of power tools in the specifications China.Main 4,6,8,10,13,16,19,23,32,38,49 mm drill and so on, refers to a tensile strength of steel on boreholes 390N/mm2 diameter. Pairs of non-ferrous metals, plastics and other materials as the original diameter of the largest size large drilling 30 to 50%Works by rotating magnetic or electromagnetic reciprocating engine low work capacity rotor to make the cut magnetic field through the device engine-transmission operation, turn the wheel to... Read full post here
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