Mining Rock DTH Hammer Down The Hole Drilling Tools Long Life Performance
Description
DTH hammer is used for drilling holes through a wide range of rock types, the variety of which
continues to extend well beyond the original conception of early blast hole drilling. Down-the-Hole refers
to where the hammer action occurs when compared to drifter hammers, which hammer on top of the drill string.
Being a quality centric organization, our company offers an ample range of DTH hammers to our
customers. These are constructed using premium quality raw material and widely appreciated for its sturdiness
and long life performance.
Application
Advantages:
- Advanced hammer designs with high power and air efficiency increases productivity
- Tailored product offering covers all your applications and conditions
- Easy service and maintenance designs reduces machine downtime
- Generic and proprietary shank options give you flexibility and reliability
DTH hammers specifications:
| Hammers | Bit Shank | Connection | Matched Bit Dia |
1-3" Middle-low pressure
DTH hammers | BR1
BR2
BR3 | RD40 box
RD50 box
API 2 3/8" Reg | Φ64-Φ76mm
Φ70-Φ90mm
Φ90-Φ110mm |
| 3" hammers | DHD3.5
COP32/COP34
M30 | API 2 3/8"Reg | Φ90-Φ110mm |
| 4" hammers | DHD340
COP44
QL40
SD4
M40 | API 2 3/8"Reg | Φ105-Φ130mm |
| 5" hammers | DHD350
COP54
QL50
SD5
M50 | API 2 3/8"Reg
API 3 1/2"Reg | Φ130-Φ156mm |
| 6" hammers | DHD360
COP64
QL60
SD6
M60 | API 3 1/2"Reg | Φ152-Φ203mm |
| 8" hammers | DHD380
COP84
QL80
SD8
M80 | API 4 1/2"Reg | Φ200-Φ279mm |
| 10" hammers | SD10
NUMA100 | API 6 5/8"Reg | Φ254-Φ330mm |
| 12" hammers | DHD1120
SD12
NUMA120
NUMA125 | API 6 5/8"Reg | Φ305-Φ381mm |
General.Operation
Series HD high air-press DTH are designed as a hammer drill. They differ from other rock drills,
however, through continuous operation down against the drill bit.Compressed air is led to the rock drill
thorough the dill tube string. Exhaust air is discharged through hole in the drill bit and used to flush clean
the drill hole. Rotation is delivered from a rotation unit and feed force from the feed is transferred the
DTH drill via the drill tubes.
Packing&Delivery
FAQ
1. Shipping time for an order
We have many stock. As usual, we can delivery the goods as soon as we get the full payment.
2. Quality Control
Strict inspection and testing for every order before shipping out .
3. How can we trust your company?
We support Alibaba trade insurance. Protect products quality, shipment on time and your covered amount.
4. After Sales Service
Free replacement will provide once the failure confirmed caused by our product quality.
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