.

8 1/2 IADC537 非开挖用牙轮钻头

钻头尺寸 8 1/2"(215.9MM)
537型

应用
适用于 HDD 工程中使用的开孔器

特点 1. 增强耐磨规保护,增加工作寿命。
2、耐高温橡胶密封轴承。
3. 碳化钨保护的衬衫尾
4. 14mm 凿子刀片,坚固的碳化钨主体,更高的耐磨性,钻孔速度快。
5、适用岩石硬度:≥80Mpa



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至: 河北亿川钻井设备制造有限公司
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