Description Tongyi Industry provides a wide variety of tungsten carbide inserts for mining and drill, including tungsten carbide button inserts, tungsten carbide rotary drill bit inserts, tungsten carbide brazing sheet, hammer drill bits inserts, tungsten carbide coal drill bits inserts, tungsten carbide blade for tunnel boring machine, etc ...
In coal mining: Core drilling and rotary drilling. A second factor associated with a drilling program is the choice between core drilling and rotary drilling.In core drilling, a hollow drill bit is attached to a core barrel so that cylindrical samples of the strata can be obtained.
Mining cutting tools including cutting picks, mining bits, mining tooth holders, rock drill bits, HDD drill bits, drill bits for mining, rock drilling tools, rock mining tools, mining drill tools, underground mining tools etc. fitting to continuous miners, longwall Shearer. used on surface mining and underground mining.
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