ND45A 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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1011mm
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43.20kg
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Φ99mm
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Cop44 DHD340
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Φ110-Φ135
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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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1.0Mpa
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1.8Mpa
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2.4Mpa
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1.0-2.5Mpa
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30HZ
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22-35r/min
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6 m³/min
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10 m³/min
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15m³/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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6.50
0.01
0.35
0.05
1.50
2.10
8.50
15.20
1.30
0.01
0.30
3.40
9.00
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ND45A01
ND45A02
ND45A03
ND45A04
ND45A05
ND45A06
ND45A07
ND45A08
ND45A09
ND45A10
ND45A11
ND45A12
ND45A13
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