Your Trusted Partner for Rock Drilling Solutions
Drill Faster. Drill Longer. Drill Smarter.
Contact Us
E-Mail:ophelia@rock-drillbits.com
Tel:8618673212929
Contact
Contact

4" QL40 Shank DTH Hammer for High-Performance Drilling | MSD

4" QL40 Shank DTH Hammer for High-Performance Drilling | MSD
  • A 4-inch QL40 shank DTH hammer, engineered for high-performance drilling
4" QL40 Shank DTH Hammer
Experience flagship performance. Our 4" QL40 DTH Hammer is engineered for high penetration rates and exceptional reliability in hard rock. The choice for serious professionals. Upgrade your performance. Explore specs!
Model Number: MSD-QL40
Size: 4 inch
Shank Type: QL40
Piston Design: High-Performance Valveless
Primary Application: Hard Rock Drilling, Quarrying, Mining

Email This Page  Contact Now
  • Product Description

Features & Benefits

  • Flagship Performance: The QL40 is a modern, high-performance hammer design, renowned for its superior penetration rates and excellent energy efficiency in hard rock drilling.

  • Advanced Valveless Piston: Features a state-of-the-art valveless design with a hardened, heavy-duty piston, delivering a powerful and consistent impact for maximum rock-breaking efficiency.

  • Built for Longevity: Constructed from the highest quality alloy steels and precision-machined for perfect tolerances, ensuring exceptional durability and a long service life.

  • The Professional's Choice: Delivers the top-tier performance demanded by professional drilling contractors, providing a significant productivity advantage and an excellent return on investment.

Recommended Applications

  • Hard Rock Quarrying and Mining: The ideal choice for creating blast holes in demanding geological conditions, such as granite and basalt.

  • High-Performance Construction Drilling: A superior tool for challenging civil engineering projects where speed and reliability are paramount.

  • Geothermal and Deep Water Well Drilling: Its efficiency and power make it a top performer for deep hole applications.

Technical Specifications

Overall Length

1070 mm

Outer Diameter

99 mm

Weight

40 kg

Hole Diameter Range

110 mm - 135 mm

Connection Thread

API 2 3/8"Reg

Operating Air Pressure

1.2-2.0Mpa

Recommended Rotation Speed

25-30r/min

Air Consumption

1.0Mpa:5m3/min

1.8Mpa:9m3/min

2.4Mpa:14m3/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!


Send your inquiry directly to us

Click here