458MM IADC737 HDD hole opener suppliers in China
1.The durability of premium tungsten carbide inserts are improved with new formulas and new techniques for insert bit;
2.Sliding bearing forms, palm-axis surfacing tooth carbide layer, inner cone hole silver;
3.Bearing O-ring wear-resistant, high-temperature high in saturated nitrile rubber;
4.Adopt limit the pressure and prevent drilling fluid into the lubrication system-wide rubber reservoir bag;
5.Use of high strength and high toughness carbide teeth.
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Other supplier products
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12" PDC horizontal directional drilling hole opener | 1.The durability of premium tungsten carbide inserts are improved with new formulas and new techniques for insert bit; 2.Sliding bearing forms, pal... |
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14 3/4" IADC437 TCI rock bits cutter for hole opener made in China | 1.The durability of premium tungsten carbide inserts are improved with new formulas and new techniques for insert bit; 2.Sliding bearing forms, pal... |
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14 3/4" IADC637 tricone bits for water drilling | 1.The durability of premium tungsten carbide inserts are improved with new formulas and new techniques for insert bit; 2.Sliding bearing forms, pal... |
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900MM IADC617 hole opener and reamer | 1.The durability of premium tungsten carbide inserts are improved with new formulas and new techniques for insert bit; 2.Sliding bearing forms, pal... |
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10 5/8" IADC617 water well drilling bits for sale | 1.The durability of premium tungsten carbide inserts are improved with new formulas and new techniques for insert bit; 2.Sliding bearing forms, pal... |
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