حفاری نیمکتی، حفاری تولیدی، تونل زنی زیرزمینی در سنگ سخت شکسته شده
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T38 89mm Retrac Button Bit
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T38 89mm Flat Face Carbide Bit
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T38 Fractured Rock Drilling Tool
توضیحات محصول
T38 89mm Retrac Button Bit for Rock Drilling The T38 89mm retrac flat face dome button bit is a top hammer rock drilling tool engineered for bench drilling, production drilling and tunnelling in broken or fractured hard rock. Equipped with a retrac (retractable) skirt body featuring reverse cutting splines and a heavy-duty 13-button array, this 3.5-inch bit prevents rod jamming during retraction while delivering a long wear life under high impact. Product Overview The retrac