• Hjg Hm8a DTH Hammer (HM8)
  • Hjg Hm8a DTH Hammer (HM8)
  • Hjg Hm8a DTH Hammer (HM8)
  • Hjg Hm8a DTH Hammer (HM8)
  • Hjg Hm8a DTH Hammer (HM8)
  • Hjg Hm8a DTH Hammer (HM8)

Hjg Hm8a DTH Hammer (HM8)

Customized: Customized
Standard: JIS
Length: Taper-length
Type: Twist 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.
HM8
Mining Object
Mining
Trademark
HJG
Origin
China
HS Code
84123100

Product Description

Hjg Hm8a DTH Hammer (HM8)It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world.
Hjg Hm8a DTH Hammer (HM8)

Hjg Hm8a DTH Hammer (HM8)

It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.
Length(exclude bit) Weight(exclude bit) External Diameter Bit Shank Hole Range Connection Thread
1338 mm 176.00 kg  Φ180 mm   HM8 Φ195mm _ Φ254mm API 4 1/2'' 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 22 Hz 15-25 rpm 12 m³/min  22 m³/min 28 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