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

DTH Hammer, Rock Drilling, Down The Hole Hammer manufacturer / supplier in China, offering HD45 DTH Hammer, RC5.5 A67 143 Drilling Bit, Hjg HD45A DTH Hammer Best Quality and so on.

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HD45 DTH Hammer

FOB Price: US $20-100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $20-100/ Piece
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Production Capacity: 50000 PC/Year
Transport Package: Poly Wood
Payment Terms: L/C, T/T, Paypal, Money Gram, Western Union, cash

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Basic Info
  • Type: Drilling Machine
  • Condition: New
  • Mining Object: Mining
  • Specification: SGS ISO
  • HS Code: 8412310090
  • Usage: Coal, Ore, Water Well, Pneumatic
  • Power Type: Pneumatic
  • Trademark: HJG
  • 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
1030 mm39.00 kg Φ99 mm  HD340Φ110mm _ Φ135mmAPI 2 3/8'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa2.4 MPa
1.0 - 2.5 MPa27 Hz25-40 rpm6 m³/min 10 m³/min15 m³/min

HD45 DTH Hammer
HD45 DTH Hammer
HD45 DTH Hammer
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Mr. Larry Wu
Sales Director of Department
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