Home > Products > DTH Hammers > surface drilling/10 inch dth hammers with good price(NN100A) with competitive prices/Rock drilling tools
surface drilling/10 inch dth hammers with good price(NN100A) with competitive prices/Rock drilling tools
- 1500 Set / Sets per Month
- China main port
- T/T Credit Card
Product Details
Place of Origin: | Hunan, China | Brand Name: | New diamond | Model Number: | NN100A |
Type: | Drill Shank | Machine Type: | Drilling Tool | Certification: | Other, ISO9001:2008 |
Material: | Carbide | Processing Type: | Forging | Use: | Ore Mining |
Product Description
high efficiency 10 inch dth hammers with good price(NN100A)
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world.
It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.
NN100A DTH Hammer Technical Data
Length (Less bit) | Weight (Less bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1545mm | 305.00kg | Φ226mm | NUMA100 | Φ254-Φ311 | API6 5/8”Reg | ||
Working Pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | ||||
1.0Mpa | 1.8Mpa | 2.4Mpa | |||||
1.0-2.5Mpa | 20HZ | 15-25r/min | 22m³/min | 40m³/min | 65m³/min |
Item Description | Weight (kg) | Part Number |
1. Top Sub
2. “O” Ring of Top Sub
3. Breakout Ring
4. Check Valve
5. Spring
6. Air Distributor
7. Internal Cylinder
8. Piston
9. External Cylinder
10. Guided Sleeve
11. “o” Ring of Stop Ring
12. Stop Ring
13. Breakout Ring
14. Drive Chuck
15. Drill Bit | 59.00
0.03
0.50
1.40
0.30
10.50
12.50
77.00
110.00
4.50
0.02
1.90
0.50
25.50
106.00 | NN100A01
NN100A02
NN100A03
NN100A04
NN100A05
NN100A06
NN100A07
NN100A08
NN100A09
NN100A10
NN100A11
NN100A12
NN100A13
NN100A14
NN100A15 |
Contact Us
- Hunan New Diamond Construction Machinery Co., Ltd.
- Contact nameRick Liao
- Phone0086-731-89708148
- AddressMeiguiyuan, Yuelu district, Changsha city, Hunan, China Changsha,Hunan
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