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Mining Drill Bit for Coal Rock and Construction Drilling
Rock Drilling Bit for Tunnel Construction Projects
Coal Mining Drill Bit for Underground Drilling
Mining Drill Bit for Coal Rock and Construction Drilling
Rock Drilling Bit for Tunnel Construction Projects
Coal Mining Drill Bit for Underground Drilling

Mining Drill Bit for Coal, Rock and Construction Drilling | M3-M6 Sizes

Suitable for mining drilling, coal mining drilling, construction drilling, tunnel engineering drilling, underground engineering drilling, building dismantling drilling and other drilling work. Made of strong steel material and hard alloy saw tooth. It has the characteristics of stable drilling operation, good wear resistance, and high-speed drilling into rock coal soil formation.

M3 M4 M5 M6 specification mining drill bit for coal,rock and construction drilling.
  • Sturdy steel body allows for stable drilling
  • Cutting teeth made of hard alloy for better wear resistance
  • Ideal for coal mine drilling, rock drilling and construction industry
  • High drilling speed in rocks and loose soil
  • Available in various sizes to fit your engineering needs
  • Can be used for repair, demolition, tunneling and underground projects
  • Yellow color improves visibility at job sites
Product Description

1.Product Specifications

Model Overall Length Shank Diameter Cutting Length Small Diameter Large Diameter
M3 65 mm 6.4 mm 65 mm 3.4 mm 6.4 mm
M4 75 mm 8.4 mm 42 mm 4.5 mm 8.4 mm
M5 85 mm 10.4 mm 50 mm 5.5 mm 10.4 mm
M6 90 mm 12.0 mm 53 mm 6.6 mm 12.5 mm

 

 

2. Applications

This mining drill bit is widely used in:

  • Coal mining operations
  • Rock drilling and excavation
  • Tunnel construction
  • Underground engineering
  • Construction site drilling
  • Building repair and demolition
  • Drilling in rock, coal and compact soil

 

 

3. Why Choose This Mining Drill Bit?

 

 

4. FAQ

Q:What is this product used for?


Q:Which sizes are available?
A:We have M3,M4,M5,M6 size. Different sizes have different length and diameter.

Q:Is this drill bit for construction usage?
A:Yes. 


 

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End-to-End Ground Support Solutions

We deliver complete support for underground reinforcement applications, covering: Mining roof and sidewall support systems Tunnel reinforcement solutions Slope stabilization engineering support Foundation anchoring systems Underground safety structural systems From early-stage project planning to on-site application, we help customers build safer and more stable underground environments.

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Product Supply & System Integration

Wanfeng provides a fully integrated product supply system, enabling customers to source all ground support materials from one supplier: Rock bolt systems (resin / FRP / threaded) Cable bolts & anchoring systems Steel arches & I-steel support systems Wire mesh & reinforcement mesh Plates, nuts, bolts & fastening components Resin & cement anchoring materials Mining tools & consumable accessories Our one-stop supply capability reduces procurement complexity and improves project efficiency.

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Manufacturing & Quality Assurance Services

We ensure stable and reliable product performance through strict manufacturing and quality control systems: Standardized production processes Raw material inspection and control Mechanical performance testing Load-bearing and tensile strength verification Batch consistency inspection Final quality inspection before shipment Every product is engineered to meet demanding underground safety requirements.

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Custom Engineering & OEM Services

We also support customized solutions for different mining and engineering projects: Customized rock bolt specifications Non-standard steel support design Special mesh and reinforcement structures Project-based product configuration OEM / private label cooperation We work closely with global partners to develop tailored solutions for complex underground environments.

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Global Supply & Logistics Support

With strong export experience, we provide efficient global delivery and supply chain support: International export packaging standards Container loading optimization Multi-region shipping support Fast production scheduling for urgent projects Stable long-term supply agreements We ensure reliable delivery to mining projects across different countries and regions.

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After-Sales & Long-Term Support

We support customers throughout the entire project lifecycle: Technical documentation support Installation guidance assistance Product replacement support Long-term supply continuity Engineering consultation for project expansion Our goal is to build long-term partnerships, not just single transactions.

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