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shank sd4 dth rock drill bit
Selling leads
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...essential part in DTH drilling tools. It can convert compressed air, which has high pressure, into a powerful impact force. The impact force is ...
2025-07-16 00:07:34
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... and strong force that breaks the rock formation when is used in conjunction with the hammer bit. The titanium-coated hammers are designed in ...
2025-07-16 00:07:34
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