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 HD330A DTH Hammer HD330, Hjg Wells Geothermal Drilling Rig, Hjg Reverse Circulation Drill Bit and so on.

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Hjg HD330A DTH Hammer HD330

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.: HD330
  • Certification: BIN, JIS, AISI, API
  • Type: Countersink Drill Bit
  • Usage: Wood Drilling, Well Drilling, Metal Drilling
  • Trademark: HJG
  • HS Code: 84123100
  • Customized: Customized
  • Length: Jobber-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.
Length(exclude bit)Weight(exclude bit)External DiameterBit ShankHole RangeConnection Thread
3870 mm1050.00 kg Φ330 mm  HD330Φ350mm _ Φ660mmAPI 7 5/8'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa2.4 MPa
1.0 - 2.5 MPa20 Hz15-25 rpm32 m³/min 58 m³/min85 m³/min


Hjg HD330A DTH Hammer HD330
Hjg HD330A DTH Hammer HD330
Hjg HD330A DTH Hammer HD330
Hjg HD330A DTH Hammer HD330
Hjg HD330A DTH Hammer HD330
Hjg HD330A DTH Hammer HD330
 
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Mr. Larry Wu
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