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 Hbr3a DTH Hammer (BR1), Hjg Wells Geothermal Drilling Rig, Hjg Reverse Circulation Drill Bit and so on.

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Hjg Hbr3a 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.: BR3 HJG drill
  • Certification: BIN, JIS, AISI, API
  • Type: Twist Drill Bit
  • Usage: Wood Drilling, Well Drilling, Masonry Drilling
  • Trademark: HJG
  • Specification: SGS ISO
  • HS Code: 84123100
  • Customized: Customized
  • Length: Taper-length
  • Material: High Carbon Steel
  • Mining Object: Mining
  • Transport Package: Poly Wood
  • Origin: China
Product Description
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
889mm26.00 kg Φ82 mm  BR3Φ90mm _ Φ110mm API 2 3/8'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
0.7 MPa1 MPa1.4 MPa
0.7 - 1.75 MPa25 Hz25-40 rpm4 m³/min 6 m³/min8 m³/min

Hjg Hbr3a DTH Hammer (BR1)
Hjg Hbr3a DTH Hammer (BR1)
Hjg Hbr3a DTH Hammer (BR1)
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Mr. Larry Wu
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