Product introduction
::LEANOMS
Can I buy a 4-inch SD40 down-the-hole DTH hammer and drill bit for blasting operations?
Down-the-hole hammer are commonly used in blasting operations, but selecting the appropriate down-the-hole hammer and drill bit size depends on specific engineering requirements and blasting design. The 4-inch SD40 down-the-hole hammer is generally a common size, but whether it’s right for your blasting job depends on the following factors:
1.Blast hole size: The diameter of the blast hole is usually determined based on the needs of the blasting design. 4-inch down-the-hole hammers are generally suitable for relatively small blast holes. If your project requires larger diameter blast holes, you may need to select a larger size DTH hammer and corresponding drill bit.
2.Rock or Concrete Hardness: Different types of rock or concrete have varying degrees of hardness and solidity. If you are dealing with very hard materials, you may need a more powerful down-the-hole hammer to drill and blast efficiently.
3.Project Needs: Your project may have specific technical requirements or safety standards that may affect your choice of DTH hammer and drill bit size.
When selecting down-the-hole hammer and drill bit sizes, you can consult Leanoms. We will give you advice to ensure that your selection meets the engineering requirements and that blasting operations can be completed safely and effectively.
product parameter
::LEANOMS
Technical Parameters Of 4 Inch DTH Hammer And Bits

why choose us?
LEANOMS
Unrivaled Heat Treatment Technology: The 350 Advanced Equipment comes equipped with 20 state-of-the-art heat treatment units, all sourced from the renowned Atlas brand. This ensures the longevity and durability of our products, setting them apart in the industry.
High Precision CNC Machining: Leveraging our arsenal of 200 high-precision CNC machines, we guarantee that every component of the 350 Advanced Equipment is manufactured to the tightest tolerances. This precision minimizes variations in batch production, assuring consistent quality.
Versatile CNC Capabilities: Complementing our high-precision machines are an additional 20 CNC machines, offering versatility in manufacturing, further enhancing the adaptability of our products.
Rigorous Testing: To ensure the reliability and performance of our equipment, we maintain a comprehensive testing setup consisting of over 60 testing machines. Each unit undergoes rigorous testing to meet and exceed industry standards.
Streamlined Production: Our comprehensive and high-precision production facilities simplify the manufacturing process. This streamlining not only boosts production capacity but also enhances overall product stability.
transportation
LEANOMS
Rest assured that our focus on transportation solutions is driven by our dedication to meeting your needs.
Whether it's sample orders via express shipping or bulk orders through air or sea freight, we are committed to delivering your rock drilling tools on time and in excellent condition.











