$0.25
1000 Pieces (MOQ)
Woodworking Forstner Drill Bits Hole Saw Cutter Hinge Boring Bits
Yueqing Hengda Tools Co., Ltd.
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Hjg Hql4a DTH Hammer Ql40
| Price | Negotiable |
|---|---|
| Min Order | 1 Piece |
| Availability | In Stock |
| Shipping From | Hunan, China |
| Popularity | 270 people viewed |
Model NO.:
QL40
Customized:
Customized
Standard:
JIS, AISI, API
Length:
Stub-length
Type:
Twist Drill Bit
Material:
Tungsten Carbide
Usage:
Wood Drilling, Well Drilling, Metal Drilling, Masonry Drilling
Mining Object:
Mining
Trademark:
HJG
Origin:
China
HS Code:
84123100
Product Description
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.
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.
| Length(exclude bit) | Weight(exclude bit) | External Diameter | Bit Shank | Hole Range | Connection Thread | |
| 1070 mm | 40.00 kg | Φ99 mm | QL40 | Φ110mm _ Φ135mm | API 2 3/8'' Reg | |
| Working Pressure | Impact rate at 0.5 MPa | Recommended Rotary Speed | Air Consumption | |||
| 1.0 MPa | 1.8 MPa | 2.4 MPa | ||||
| 1.0 - 2.5 MPa | 30 Hz | 25-40 rpm | 5 m³/min | 9 m³/min | 14 m³/min | |
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