4.5m Rock Drill Bit 新闻中心
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4.5m Rock Drill Bit
详细信息 The bit is mainly applicable to bridge bored pile and coal mine shaft; Targeted bits are designed and manufactured according to bore diameters and formation strength. Special structures include: split type, integral type, plain base type, conical base type and truncated conical type. The sizes are 800mm-1200mm.
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