Mission80 Quarry Mining High Air Pressure DTH Hammer
The DTH hammer are designed with advanced drilling theory which are able to deliver energy better and drill more quickly with lower air consumption. With finest steel and advanced manufacturing techniques, the hammer maintains stable performance and long service life, also easy to assemble and repair.
Mission SERIES DTH Hammers
Available Models: MISSION30 / MISSION40 / MISSION50 / MISSION60 / MISSION80
Design Highlights
1
The series is a valve-less type hammer designed for high performance at low operating air pressure.
2
Suitable bits have a strong robust design without foot valve to withstand heavy duty application.
3
Maximizes energy output and reduces service requirements.
4
Wear sleeve is not reversible for optimized structural integrity.
5
All critical internal components are heat treated under strict control to maximize tool longevity.
Applications
These hammers are widely used across various industrial sectors for drilling and blasting work, including:
Mine & Quarrying
Road Construction
Water Well Drilling
Slope Protection
Anchoring Projects
Foundation Engineering
DTH Hammers Series Supply
High pressure series
Medium pressure series
Low pressure series
High efficiency high pressure series
Reverse circulation series
Technical Parameters
| Type |
Model |
Length |
Weight |
External Dia. (mm) |
Hole Range |
| (mm) |
(kg) |
(mm) |
| 3.5 inch |
DHD3.5 |
930 |
25 |
Φ82 |
Φ90-110 |
| 4 inch |
DHD340 |
1030 |
39 |
Φ99 |
Φ110-135 |
| SD4 |
1084 |
40.5 |
Φ99 |
| QL4 |
1097 |
41 |
Φ99 |
| Mission40 |
1005 |
40 |
Φ99 |
| 5 inch |
DHD350 |
1214 |
76.5 |
Φ125 |
Φ135-155 |
| SD5 |
1175 |
72.5 |
Φ125 |
| QL5 |
1147 |
73 |
Φ125 |
| Mission50 |
1110 |
68.5 |
Φ125 |
| 6 inch |
DHD360 |
1248 |
100 |
Φ142 |
Φ155-190 |
| SD6 |
1261 |
100 |
Φ142 |
| QL6 |
1212 |
95 |
Φ146 |
| Mission60 |
1161 |
90 |
Φ146 |
| 8 inch |
D85 |
1492 |
188 |
Φ180 |
Φ195-254 |
| SD8 |
1463 |
192 |
Φ180 |
| QL8 |
1465 |
182 |
Φ180 |
| Mission80 |
1338 |
176 |
Φ180 |
| 10 inch |
SD10 |
1502 |
290 |
Φ226 |
Φ254-311 |
| NUMA100 |
1510 |
288 |
Φ226 |
Mission80 DTH Hammers Specifications
| Hammer Length without bit: |
1333 (mm) |
| Top sub thread: |
API 41/2" REG PIN |
| Outside diameter: |
180 (mm) |
| Weight: |
160.5 (KG) |
| Bit diameter: |
195-245 (mm) |
| Working Pressure: |
1.5-3.5 Mpa |
| Air consumption: |
26-35 (M3/min) |
| Bit shank: |
Mission80 |
Frequently Asked Questions
What are the primary benefits of the valve-less DTH hammer design?
The valve-less design is engineered for high performance even at low operating air pressures. It simplifies the internal structure, which maximizes energy output and significantly reduces maintenance and service requirements.
How does the Mission80 DTH hammer achieve a longer service life?
All critical internal components are made from the finest steel and undergo strict heat treatment processes. This advanced manufacturing ensures the tool can withstand heavy-duty applications and maintains longevity.
What is the recommended air consumption for the Mission80 model?
The Mission80 DTH hammer operates efficiently with an air consumption rate between 26 and 35 M3/min, depending on the specific drilling conditions and working pressure.
Can these hammers be used for water well drilling?
Yes, Mission series DTH hammers are highly versatile and widely used for water well drilling, as well as mining, quarrying, road construction, and anchoring projects.
Is the Mission80 DTH hammer easy to repair on-site?
Absolutely. The design focuses on simplicity and advanced drilling theory, making the hammer easy to assemble and repair, which minimizes downtime during field operations.
KAT DRILLING
