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7 degree 108mm H22 H25 H19 taper drill rod adopt quality steel to produce with special heat treatment, they are widely used in ore mining and rock drilling. Xi'an tydrillbits is one of the taper drill rods manufacturer and exporter in China.
Xi'an Tydrillbits supply kinds of rock drilling tools, such as taper button bits, thread button bits and drill steels, MF rods, thread rods etc. If you are interested in any of our products, please feel free to contact us by robert@tydrillbits.com.
