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| product name | coal mining bits conical picks, flat bits |
| Brand | Techgong |
| material | low alloy high grade steel, tungsten carbide tip and reinforcement |
| model | U765 U119 U82 U85 U85HD U85HDHF S100 S120 S150 S170... bit, retainer, holder/block, sleeve |
| usage | mining, trenching used in coal mines, iron ores, aluminum ores and geotechnical engineering, as well as basement tunneling and road construction |
| market | Brazil, Australia, Chile, Canada, USA, South Aisa,Japan, Russia, France, German, Poland, England... |
auger mining bit for rock and mineral/mining tool
