Specifications
DTH drill Hammer1.Lower energy consumption
2.Higher impact frequency
3.Easy and cheap maintenance
4.Long life, reliable
Faster Drilling Pneumatic DTH Drill Hammer Mission80:
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.
NM8A/Mission80 DTH Hammer Technical Data
Length (Without Bit) | Weight (Without Bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1338mm | 176.00kg | 180mm | HM8 | 195-254 | API4 1/2Reg | ||
Working Pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | ||||
1.0Mpa | 1.8Mpa | 2.4Mpa | |||||
1.0-2.5Mpa | 22HZ | 15-25r/min | 12m³/min | 22m³/min | 28m³/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 | 34.00 0.015 0.30 1.20 0.10 6.00 6.50 42.50 61.00 5.30 0.01 1.50 0.30 17.30 31.00 | NM8A01 NM8A02 NM8A03 NM8A04 NM8A05 NM8A06 NM8A07 NM8A08 NM8A09 NM8A10 NM8A11 NM8A12 NM8A13 NM8A14 NM8A15 |

Our advantages:
We have advanced production equipments & talented researchers & technicians & rich experiences in R & D and production.
We use the best quality raw materials.
We adopt advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.
We accept OEM manufacturing and produce on your design.

Send Inquiry to This Supplier
You May Also Like
-
Wear Resistant Chrome Carbide Overlay Weld Clad Wear Resistant Plate Liner for Blast Furnace Skip CarUS$ 120 - 120MOQ: 1 Square Meter
-
6805150 Tilt Cylinder Bushing for BobcatNegotiableMOQ: 1
-
Robot Hardware Accessories Manufacture Thickness≤0.35mmNegotiableMOQ: 1 Set
-
Sofa CoverNegotiableMOQ: 1 Meter
-
Custom CNC MachiningNegotiableMOQ: 1 Meter
-
Drilling Equipments Drilling Fluids Vacuum DegasserNegotiableMOQ: 1 Set
-
Good Quality Tungsten Carbide Button InsertsUS$ 1 - 5MOQ: 100 Pieces
-
Airless Truck Tire Solid Vehicle Tire 17.5-25 20.5-25 for Mining Machine PartsUS$ 16 - 200MOQ: 1 Piece
-
Ball Mill Plant Used Automatic Feeding Electromagnetic Vibrating FeederUS$ 650 - 800MOQ: 1 Set
-
Api Oil and Gas Christmas Tree, Wellhead and Christmas Tree/X-mas Tree for Oil Well ControlUS$ 3000.00 - 3000.00MOQ: 1 Set






