Hunan, China
Business Type:
Manufacturer/Factory & Trading Company
Business Range:
Manufacturing & Processing Machinery, Tools & Hardware
Number of Employees:
OEM/ODM Service
Sample Available
Overseas Agent / Branch

DTH Hammer, Rock Drilling, Down The Hole Hammer manufacturer / supplier in China, offering Hsd4 DTH Hammer (SD4) Hjg Drill, 2018 Bd Drill DTH Hammer with Bits on The Rig, 2018 Bd Drill HD DTH Hammer Cop44 DHD340 and so on.

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Hsd4 DTH Hammer (SD4) Hjg Drill

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Min. Order / Reference FOB Price
1 Piece US $100/ Piece
Production Capacity: 50000 PC/Year
Transport Package: Poly Wood
Payment Terms: L/C, T/T, cash
Usage: Ore
Power Type: Pneumatic
Type: Drilling Machine
Condition: New
Mining Object: Mining
Specification: SGS ISO

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Basic Info

Model NO.: SD4 HJG drill
Trademark: HJG
Origin: China
HS Code: 84123100

Product Description

It is a kind of valveless high air pressure DTH Hammer with foot valve.

It has the following advantages:
1. Valveless air distribution. More reliable.
2. Simple design of the piston, long life.
3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
Length(exclude bit)Weight(exclude bit)External DiameterBit ShankHole RangeConnection Thread
1084 mm40.50 kg Φ99 mm  SD4Φ110mm _ Φ135mm API 2 3/8'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa 2.4 MPa
1.0 - 2.5 MPa27 Hz25-40 rpm6 m³/min 10 m³/min15 m³/min 

Hsd4 DTH Hammer (SD4) Hjg Drill
Hsd4 DTH Hammer (SD4) Hjg Drill
Hsd4 DTH Hammer (SD4) Hjg Drill

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