.

IADC537/617/637 牙轮掌片 牙轮钻头掌片出售

钻头尺寸 8 1/2"(215.9MM)
617型

应用
适用于桩基施工的牙轮钻芯筒

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.加大轮体,镶件全覆盖,使用寿命更长。 14mm锥形刀片,耐磨性更高。
4、适用岩石硬度:≥100Mpa
5.直柄,易焊接


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