Tungsten Carbide Thread Retract Button Bit T51 102mm For Hard Rock

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May 12, 2025
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T51 102mm Retrac Tungsten Carbide Thread Button Bit For Hard Rock Retrac Button Bit Description: The drill bit is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. Applications • Underground mining • Tunneling • Quarrying • Widely used in bench and long hole drilling • Perfect design can dealing with soft to medium-hard rock formations Advantage Compared with the