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

DTH Hammer, Rock Drilling, Down The Hole Hammer manufacturer / supplier in China, offering Hjg Drill Hbr1a DTH Hammer (BR1), Hjg Wells Geothermal Drilling Rig, Hjg Reverse Circulation Drill Bit and so on.

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Hjg Drill Hbr1a DTH Hammer (BR1)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 50000 PC/Year
Payment Terms: L/C, T/T, cash

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Basic Info
  • Model NO.: BR1
  • Certification: BIN, JIS, AISI, API
  • Type: Twist Drill Bit
  • Usage: Wood Drilling, Well Drilling, Metal Drilling, Masonry Drilling
  • Trademark: HJG
  • Specification: SGS ISO
  • HS Code: 84123100
  • Customized: Non-Customized
  • Length: Taper-length
  • Material: Tungsten Carbide
  • Mining Object: Mining
  • Transport Package: Poly Wood
  • Origin: China
Product Description
Hjg Drill Hbr1a DTH Hammer (BR1)HBR1A, HBR2A and HBR3A series DTH Hammers are designed to operate efficiently at low air pressures and medium air pressures, using BR series bits.


The main features are as follows:
1. The operating air pressures are between 0.7Mpa and 1.75Mpa.
2. Valveless hammers.
3. Simple structure, easy to assemble and to disassemble, long life.
4. Higher impact frequency and faster drilling speed.
5. Lower air consumption and lower oil consumption. A hole can be drilled on the check valve to provide more efficient cuttings discharge.
6. Especially suitable for quarrying.
Length(exclude bit)Weight(exclude bit)External DiameterBit ShankHole RangeConnection Thread
760mm10.00 kg Φ54 mm  BR1Φ64mm _ Φ76mm             BD40
             BOX
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
0.7 MPa1 MPa1.4 MPa
0.7 - 1.75 MPa27 Hz25-40 rpm1.5 m³/min 2.5 m³/min3 m³/min

Hjg Drill Hbr1a DTH Hammer (BR1)
Hjg Drill Hbr1a DTH Hammer (BR1)
Hjg Drill Hbr1a DTH Hammer (BR1)
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Mr. Larry Wu
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