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pq impregnated hard rock drill bit
Selling leads
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...Bit for Underground Mining Description: The drill bit is widely used in metallurgy mine, geological exploration, water conservancy construction, ...
2025-06-21 00:37:16
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...-hard rock formations Advantage: • High grade tungsten carbide inserts. • High efficiency. • Top quality with competitive prices. Description: ...
2025-06-21 00:36:49
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