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China factory price hand hold pneumatic jack hammer HY20 small rock drill For Sale
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China factory price hand hold pneumatic jack hammer HY20 small rock drill For Sale
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Item
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HY20
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Lenght
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558mm
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Piston Stroke
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50mm
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Air Comsumption
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≤28L/s
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Drill Diameter
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34-40mm
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Weight
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20Kg
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Cylider Diameter
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64mm
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Work Pressure
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0.4-0.5Mpa
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Impact Frequency
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≥31Hz
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Drill Depth
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4m
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Size
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558*360*166mm
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Drill rod diameter
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H22*108mm
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