ND35A DTH Hammer Technical Data
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Length (Less bit)
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Weight (Less bit)
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External diameter
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Bit Shank
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Hole Range
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Connection Thread
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888mm
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25.00kg
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Φ82mm
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IR3.5
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Φ90-Φ115
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API2 3/8”Reg
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Working Pressure
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Impact rate at 1.5Mpa
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Recommended rotation speed
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Air consumption
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||
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1.0Mpa
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1.5Mpa
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||||
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1.0-1.5Mpa
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25HZ
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25-40r/min
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3.8m³/min
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7.5m³/min
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Item Description
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Weight (kg)
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Part Number
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1. Top Sub
2. “O” Ring of Top Sub
3. Check Valve
4. Spring
5. Air Distributor
6. Internal Cylinder
7. Piston
8. External Cylinder
9. Guided Sleeve
10. “o” Ring of Stop Ring
11. Stop Ring
12. Drive Chuck
13. Drill Bit
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4.20
0.01
0.20
0.02
0.80
1.30
5.50
9.50
1.00
0.05
0.15
1.90
5.00
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ND35A01
ND35A02
ND35A03
ND35A04
ND35A 05
ND35A06
ND35A07
ND35A08
ND35A09
ND35A10
ND35A11
ND35A12
ND35A13
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