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    • HOME
    • ABOUT
    • PRODUCTS 
      • DTH Hammers
      • DTH Drill Bits
      • Drill Pipes
      • Casing Drilling System
      • RC Drilling Tools
      • Drill Rig
      • Top Hammer Drilling Tools
      • Other Products
    • SERVICE 
      • After-Sales Service
      • Application
      • Blog
      • Exhibition
    • NEWS
    • CONTACT US
  • HOME
  • ABOUT
  • PRODUCTS 
    • DTH Hammers
    • DTH Drill Bits
    • Drill Pipes
    • Casing Drilling System
    • RC Drilling Tools
    • Drill Rig
    • Top Hammer Drilling Tools
    • Other Products
  • SERVICE 
    • After-Sales Service
    • Application
    • Blog
    • Exhibition
  • NEWS
  • CONTACT US
  • …  
    • HOME
    • ABOUT
    • PRODUCTS 
      • DTH Hammers
      • DTH Drill Bits
      • Drill Pipes
      • Casing Drilling System
      • RC Drilling Tools
      • Drill Rig
      • Top Hammer Drilling Tools
      • Other Products
    • SERVICE 
      • After-Sales Service
      • Application
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  • DTH HAMMERS

    Down-the-hole (DTH) hammers are precision-engineered pneumatic tools designed for efficient rock drilling in mining, construction, and geotechnical applications. These hammers operate by forcing compressed air down the drill string to the hammer, where it energizes a piston, delivering powerful blows to the drill bit, facilitating fast and effective penetration into hard rock formations.

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    4" DTH HAMMER

    Model: JS4H,JH4H,JS4M,JS4S

    Matched Bit shank: COP44/DHD340/MACH44SD4/M40/QL40

    Thread connection: API 2 3/8"Reg

    Hole range: 105-130MM

    Application: Quarry blasting hole drilling, micrpile drilling, water well drilling

    Get A Quote
  • TEAMWHOLE 4INCH DTH HAMMER

    TEAMWHOLE offers a wide range and versatile of high pressure DTH hammers from 2inch to 28inch. Hammers are a variable for down hole and blast hole applications and use in nearly all ground conditions.

     

    Like all of other TEAMWHOLE DTH hammers, the 4inch DTH hammer maintains excellent operation pressure and extend service life and overall is the tool you require to get the maximum out off all your equipment.

     

    Features

    • Patented features maximize energy output and reduce service requirements.
    • Fewer internal components minimize service requirements.
    • High frequency design ensures smooth operation.
    • All critical internal components are heat treated under strict control to maximize tool longevity.  
    • High frequency design ensures smooth operation.

     

    5"DTH HAMMER WITH FOOT VALVE

    Parts List
    1 Top Sub
    2 Top sub ring
    3 Check valve
    4 Spring
    5 Shock ring
    6 Air distributing seat
    7 Inner cylinder
    8 Piston
    9 Outer cylinder
    10 Bush Drive sub
    11 O ring for chuck ring
    12 Chuck ring
    13 Chuck sleeve
  • 5"DTH HAMMER WITHOUT FOOT VALVE

    Parts List
    1 Top Sub
    2 Top sub ring
    3 Check valve
    4 Spring
    5 Shock ring
    6 Check valve
    7 Inner Cylinder
    8 Piston
    9 Outer cylinder
    10 Bush Drive sub
    11 O ring
    12 Bit retainer ring
    13 Chuck sleeve
    Technical Specification
    Hammer Model Bit Shank Foot Valve Connection Thread Hammer OD Hammer length(without bit) Bit range Hammer Weight Air consumption at 18Bar Work pressure
    JH4H DHD340 Yes API 2 3/8”reg pin 99mm 947mm 105-130mm 41kg 11m³/min 15-25Bar
    JH4L QLX40 Yes API 2 3/8”reg pin 99mm 947.5mm 105-130mm 41kg 11m³/min 15-25Bar
    JH4S SD4 Yes API 2 3/8”reg pin 99mm 998mm 105-130mm 41kg 11m³/min 15-25Bar
    JS4H DHD340 No API 2 3/8”reg pin 99mm 967mm 105-130mm 40kg 11m³/min 15-25Bar
    JS4L QLX40 No API 2 3/8”reg pin 99mm 967.5mm 105-130mm 40kg 11m³/min 15-25Bar
    JS4M MISSIN40 No API 2 3/8”reg pin 99mm 998mm 105-130mm 40kg 11m³/min 15-25Bar
    JS4S SD4 No API 2 3/8”reg pin 99mm 998mm 105-130mm 40kg 11m³/min 15-25Bar
  • TEAMWHOLE OTHER DTH HAMMER MODEL
    DTH HAMMER(Inch) Matched Bit Shank Bit Range/mm
    3.5inch COP32/COP34/MACH303/DHD3.5/BR33 90-110mm
    4inch COP42/COP44/MACH44/DHD340/QLX40/MISSION40/SD4 105-130mm
    5inch COP54/MACH54/DHD350/QL50/SD5/MISSION50 130-152mm
    6inch COP64/DHD360/QL60/SD6/MISSION60 152-190mm
    8inch COP84/DHD380/QL80/SD8/MISSION80 203-254mm
    10inch SD10/NUMA100/TH10 254-305mm
    12inch SD12/NUMA120/DHD112/NUMA125 305-350mm
    14inch TK14/NUMA125 350-450mm
    18inch TK18/NUMA180 450-600mm
    24inch TK24/NUMA240 600-800mm
    28inch TK19/NUMA280 800-1000mm
  • Matched bits:

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  • Related Products

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    24" DTH HAMMER

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    5" DTH BITS

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    CONCENTRIC CASING SYSTEM

    WITH RING BITS

  • GET A QUOTE NOW!

    CONTACT US

Products

DTH Hammer

DTH Bits

Drill Pipe

Eccentric Casing System

Casing System with Ring Bits

RC Hammer

RC Bit

RC Rod

Thread Button Bit

Shank Adapter

Coupling Sleeve

Drill Rig

Breakout Bench

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Contact

Email: th001@2002th.com

WhatsApp: +8613187056859

No.018, Yaojiapo Road, Jinzhou New District, Ningxiang County,

Hunan, China

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