Production process of threaded connection drill bit
2022-07-29
The production process of threaded connection drill bit: steel incoming inspection-steel blanking-processing pants body-processing threads-pants body heat treatment-drilling tooth holes-
Common specifications and models of mining drill pipes
2022-06-30
Classification of thread connection drill bits: thread drill bits are composed of hard alloy and brazing body, and are divided into column tooth type drill bits and sheet type drill bits according to the alloy form.
2022-06-29
Threaded connection drill bit is a kind of rock drilling tool, which is mainly used to drill bursting holes in rocks. In the process of rock drilling, the drilling tool group composed of drill bit, drill rod, connecting sleeve and drill tail transmits the impact work of the rock drill, and the drill bit directly drills the rock.
Pay attention to lotus mountain drilling tools:
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