Gold Member Since 2013
Audited Supplier
Changsha Heijingang Industrial Co., Ltd.

Dth Hammer, Rock Drilling, Down The Hole Hammer manufacturer / supplier in China, offering Hjg HD180A DTH Hammer Ql80, Hjg Wells Geothermal Drilling Rig, Hjg Reverse Circulation Drill Bit and so on.

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Hjg HD180A DTH Hammer Ql80

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: QL80
  • Certification: BIN, JIS, AISI, API
  • Type: Twist Drill Bit
  • Usage: Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling
  • Trademark: HJG
  • HS Code: 84123100
  • Customized: Customized
  • Length: Taper-length
  • Material: Tungsten Carbide
  • Mining Object: Mining
  • Origin: China
Product Description
Based on the characteristics of the wells, oil, gas and construction drilling, our company self-designed, developed and manufactured this kind of high air pressure DTH hammer.

It has the following characteristics:
1. Using the latest rock drilling theory, optimizing the inside structure and the size of the air distribution, to make the DTH Hammer obtain the optimal energy transfer and make it achieve faster drilling speed and lower air consumption.
2. For such projects as the drill bit break, retrieving very difficult, we specially designed a safe and reliable anti-shedding device for the bit.
3. The check valve can be replaced to the one with bigger ail controlling hole to provide more efficient cuttings discharge.
4. The top sub and the drive chuck have special thread, which can achieve an easier disassemble.
Hjg HD180A DTH Hammer Ql80
Hjg HD180A DTH Hammer Ql80
Hjg HD180A DTH Hammer Ql80
Hjg HD180A DTH Hammer Ql80
Hjg HD180A DTH Hammer Ql80
Hjg HD180A DTH Hammer Ql80
Length(exclude bit)Weight(exclude bit)External DiameterBit ShankHole RangeConnection Thread
1520 mm178.00 kg Φ180 mm  QL80Φ195mm _ Φ254mmAPI 4 1/2'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa2.4 MPa
1.0 - 2.5 MPa20 Hz20-30 rpm12 m³/min 22 m³/min28 m³/min
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Mr. Larry Wu
Sales Director of Department
To: Mr. Larry Wu

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