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Top Hammer Rock Drilling Tool |
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Material |
Tungsten Carbide, Structural Alloy Steel |
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Thread |
R25, R28, R32, R35, R38, T38, T45, T51, GT60, ST58, ST68, SR28, SR35, TR35, etc. |
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Bit Type |
Standard button bit, Retrac button bit, Reaming bit, Tapered button bit |
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Skirt Design |
Standard type, Retrac type, Straightrac type |
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Face Design |
Flat face, Drop center face, Uni-face, Reaming type, Cross type face |
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Button Shape |
Spherical buttons, Ballistic buttons, Conical buttons, Composite buttons |
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Head Diameter |
28mm~152mm |
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Material |
Structural Alloy Steel |
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Thread |
R22, R25, R28, R32, R35, R38, T38, T45, T51, GT60, ST58, ST68, SR28, SR35, TR35, EL60, EL68, etc. |
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Rod Type |
Extension rod, Drifter rod, MF rod, MF Drifter rod, Guide tube, Drill Tube |
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Body Type |
Round rod, Hexagonal rod |
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Diameter |
20mm~87mm |
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Length |
260mm~6400mm |
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Material |
Structural Alloy Steel |
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Applicable rock drill |
Atlas Copco, Sandvik, Tamrock, Furukawa, Ingersoll-Rand, Montabert, Boart LongYear, etc. |
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Thread |
R25, R28, R32, R35, R38, T38, T45, T51, GT60, ST58, ST68, SR28, SR35, TR35, EL60, EL68, etc. |
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Shank Type |
Male threaded shank adapter, Female threaded shank adapter |
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Diameter |
32mm~90mm |
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Length |
370mm~1200mm |
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Material |
Structural Alloy Steel |
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Thread |
R32, R35, R38, T38, T45, T51, etc. |
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Coupling Type |
Semi bridge Couplings, Full bridge Couplings, Crossover Couplings |
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Diameter |
44~72mm |
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Length |
150mm~255mm |
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YiKuang provides standard and heavy-duty series top hammer drilling rig tools, suitable for drilling in soft rock, medium-hard rock, hard rock, and various complex mixed rock working conditions. The drill bit, drill rod, coupling sleeve, and shank adapter are connected by their threads to form a rock drill string. The commonly used thread forms include rope thread (R25, R28, R32, R35, R38, SR28, SR35) and trapezoidal thread (T38, T45, T51, ST58, ST68, GT60).
