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This is our single tube diamond core bit 75mm for water well drilling, it is made by diamond and steel. The diamond teeth as the cutting teeth is wear-resistant, 42CrMo as the bit body with high impact toughenss. The diamond teeth are sintered to the bit body. Tungsten carbide blanks as the guage inside and outside, function is to prevent the diameter reduce during the drilling process.
Except for single tube drilling tools, we also supply double tube and trigle tube drilling tools. If you are interested in any of them, please feel free to contact us.
Double tube core bits
triple tube core bit
