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4" DHD340A DTH Hammer for Geotechnical and Quarrying | MSD

4" DHD340A DTH Hammer for Geotechnical and Quarrying | MSD
  • A 4-inch DHD340A DTH hammer, the industry standard for reliability
4" DHD340A DTH Hammer
The industry standard for reliability. Our 4" DHD340A DTH Hammer is a versatile powerhouse for quarrying, mining, and geotechnical drilling. Achieve consistent performance and a low cost-per-meter. Explore specs now!
Model Number: MSD-DHD340A
Size: 4 inch
Shank Type: DHD340A
Piston Design: Advanced Valveless
Primary Application: Quarrying, Geotechnical, Mining

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  • Product Description

Features & Benefits

  • Industry Standard Reliability: The DHD340A is one of the most widely used and proven hammer designs globally, celebrated for its robust construction and consistent, predictable performance.

  • High-Efficiency Valveless Technology: Its advanced valveless design optimizes the air cycle for a powerful, high-frequency impact, delivering fast penetration rates while maintaining low air consumption.

  • Superior Durability: Crafted from premium alloy steel and heat-treated for maximum hardness, this hammer is engineered to resist wear and fatigue in demanding daily operations.

  • Cost-Effective Performance: Provides the performance and longevity of a top-tier brand at a superior value, making it the smart choice for maximizing your profitability.

Recommended Applications

  • Quarrying and Small-Scale Mining: An excellent all-around choice for creating blast holes in quarries and for various drilling tasks in small to medium-sized mining operations.

  • Geotechnical and Foundation Drilling: Its reliability makes it a trusted tool for piling, anchoring, and site investigation projects.

  • Water Well and Geothermal Drilling: A powerful and efficient option for drilling deeper and larger water wells and geothermal boreholes.

Technical Specifications

Overall Length

1011 mm

Outer Diameter

99 mm

Weight

43.2 kg

Hole Diameter Range

110 mm - 135 mm

Connection Thread

API 2 3/8" REG PIN

Operating Air Pressure

1.2 - 2.0 Mpa

Recommended Rotation Speed

22-35 r/min

Air Consumption

1.0Mpa:6m3/min

1.8Mpa:10m3/min

2.4Mpa:15m3/min


Standard & Custom-Engineered Solutions

Whether your project requires a proven tool from our standard catalog or a completely custom-engineered solution, our team of drilling experts is ready to assist. 

We excel at solving unique geological challenges and developing tools for non-standard requirements.

Contact us today to find the perfect standard bit or to begin engineering your unique tool for success!


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