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hdd drilling hole opener
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DTH Hammer Bit Product Description Our Down-The-Hole (DTH) hammer bits are engineered for high-performance drilling in the toughest rock formations, ...
2026-02-12 23:39:52
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DTH Hammer Bit Product Description Our Down-The-Hole (DTH) hammer bits are engineered for high-performance drilling in the toughest rock formations, ...
2026-06-25 13:26:09
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DTH Hammer Bit Product Description Our Down-The-Hole (DTH) hammer bits are engineered for high-performance drilling in the toughest rock formations, ...
2026-06-25 13:26:17
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... teeth alternately contact the bottom of the hole, the rock breaking torque is small, the contact area between the cutting teeth and the bottom ...
2025-08-29 03:17:09
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...drilling bit. When the tricone rock bit is working, the cutting teeth alternately contact the bottom of the hole, the rock break torque is small, ...
2025-08-28 03:52:50
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DTH Hammers Product Description Type and Technical Specification of High Pressure DTH Hammers Item GL330 GL335 GL340A GL345 GL350 GL355 GL360 GL380 ...
2025-05-12 23:34:09
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DTH Hammers Product Description Item GL345A GL355K GL360K GL380K Drilling Dia. (ф/mm) 105-130 140-152 165-219 203-350 Hammer Length(mm) 1034 1098 1372 ...
2025-05-12 23:34:11
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DTH Hammers Product Description DTH hammers with DHD, Mission, QL, and SD shanks are essential tools for efficient drilling in hard rock conditions. ...
2025-07-11 07:30:14
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6 3/4'' API Directional Drilling Downhole Mud Motor For Pipeline Description Directional drilling downhole mud motor is a kind of downhole dynamic ...
2024-12-09 21:25:43
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▶Description of structure: The pump head is mainly composed of a cylinder liner, a cylinder top sleeve, a cylinder head, a piston, a tie rod, a steel ...
2026-07-08 00:37:59
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