• Hjg HD225A DTH Hammer (NUMA100)
  • Hjg HD225A DTH Hammer (NUMA100)
  • Hjg HD225A DTH Hammer (NUMA100)
  • Hjg HD225A DTH Hammer (NUMA100)
  • Hjg HD225A DTH Hammer (NUMA100)

Hjg HD225A DTH Hammer (NUMA100)

Customized: Customized
Standard: JIS
Length: Jobber-length
Type: Core Drill Bit
Material: Tungsten Carbide
Usage: Wood Drilling, Well Drilling, Metal Drilling
Customization:

Contact Supplier

Mr. Larry Wu
Director of International Sales Department
Diamond Member Since 2013

Suppliers with verified business licenses

Manufacturer/Factory & Trading Company

Basic Info.

Model NO.
NUMA100
Mining Object
Mining
Trademark
HJG
Origin
China
HS Code
84123100

Product Description

Hjg HD225A DTH Hammer (NUMA100)

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 Diameter Bit Shank Hole Range Connection Thread
1745 mm 315.00 kg  Φ225 mm   NUMA100 Φ254mm _ Φ311mm API 4 1/2'' Reg
API 6 5/8'' Reg
Working Pressure Impact rate at 0.5 MPa Recommended Rotary Speed Air Consumption
1.0 MPa 1.8 MPa 2.4 MPa
1.0 - 2.5 MPa 20 Hz 15-25 rpm 22 m³/min  40 m³/min 65 m³/min

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Contact Supplier

Mr. Larry Wu
Director of International Sales Department
Diamond Member Since 2013

Suppliers with verified business licenses

Manufacturer/Factory & Trading Company
Number of Employees
834
Year of Establishment
1999-04-30