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

Dth Hammer, Rock Drilling, Down The Hole Hammer manufacturer / supplier in China, offering HSD10 DTH Hammer (SD10), Hotsales High Air Pressure DTH Hammer Without Footvalve Ql 60, Blast Hole Drill Rig and so on.

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HSD10 DTH Hammer (SD10)

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Min. Order: 1 Piece
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: SD10
  • Mining Object: Mining
  • Origin: China
  • Type: Drilling Machine
  • Trademark: HJG
  • 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 Diameter Bit Shank Hole Range Connection Thread
1502 mm 290.00 kg  Φ226 mm   SD10 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 18 Hz 15-25 rpm 22 m³/min  40 m³/min 55 m³/min 
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Mr. Larry Wu
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