R25 Cross bit

Our tapered cross bit was from high quality cemented carbide, which connected with tapered drill rod well for air leg or hand-held rock drill machine for drilling holes or breaking stones on road repairing, trenching project, marble and granite quarries, stone projects, tunnel, coal mining, water conservancy, etc.

The features:

• Raw material: alloy steel and big size of tungsten carbide.

• Taper angle: 7 °/11°/12°

• Diameter: 32mm-50mm

• Socket inside diameter: 22/23/25mm


Product Details

Precision Drilling with R25 Cross Bit: Durable, Reliable, Powerful

The R25 Cross Bit is a high-performance drilling tool engineered for top hammer rock drilling applications, particularly in underground mining, tunneling, and construction works. Renowned for its symmetrical design and long-lasting durability, the R25 Cross Bit ensures stable penetration and precise directional control, even in the toughest geological conditions.

What Is an R25 Cross Bit?

An R25 Cross Bit is a threaded drill bit with a cross-shaped tungsten carbide insert configuration. Specifically designed to match R25 threaded drill rods, the R25 Cross Bit offers optimized energy transfer from the drilling machine to the rock face. Its design allows for even wear distribution, reducing bit replacement frequency and improving operational efficiency.

The R25 Cross Bit is typically manufactured from high-grade alloy steel and treated with advanced heat-processing techniques to extend service life and resist breakage under intense stress.

Key Features of R25 Cross Bit

  • Thread Compatibility: The R25 Cross Bit features a standard R25 thread, making it compatible with common top hammer drill rods in mining and tunneling applications.

  • Superior Penetration: Its cross-shaped carbide structure enhances cutting efficiency and maintains consistent borehole quality.

  • Uniform Wear Resistance: The symmetrical design of the R25 Cross Bit reduces deviation and ensures uniform wear, even in abrasive formations.

  • Robust Structure: Designed to withstand heavy-duty work, the R25 Cross Bit is impact-resistant and capable of handling high rotational torque.

  • Versatility: Suitable for medium to hard rock formations, this bit is widely used in bench drilling, roof bolting, and anchor drilling.

Applications of R25 Cross Bit

The R25 Cross Bit is widely applied across various industries where precision and durability are essential:

  • Underground Mining: For narrow vein drilling, roof support, and stope development.

  • Tunneling Projects: Effective in pre-splitting and wall control.

  • Geotechnical Exploration: Reliable for borehole drilling in hard geological conditions.

  • Construction: Used in rock excavation, foundation reinforcement, and micro piling.

The R25 Cross Bit is the go-to solution when you need a tool that ensures straight holes, fast drilling speed, and excellent cost-performance ratio.

Why Choose an R25 Cross Bit?

Choosing the R25 Cross Bit means investing in durability and precision. Its high impact toughness, balanced energy transfer, and excellent cutting performance help reduce downtime and operational costs. Moreover, its modular compatibility with standard drilling systems makes maintenance and replacement simple and efficient.

Whether you're drilling in granite, basalt, or sandstone, the R25 Cross Bit is engineered to keep your operations running smoothly.

Conclusion

If you're seeking a reliable and efficient drill bit for top hammer rock drilling, the R25 Cross Bit delivers exceptional performance across a wide range of geological conditions. Its robust construction, excellent directional stability, and long service life make it a smart choice for mining and construction professionals who prioritize quality and consistency.

Choose the R25 Cross Bit for every drilling challenge—where strength meets precision.



  Threaded Drill Bits                Retrac Button Bits                   Reaming Drill Bits                  Cross Bit                                    Chisel Bit

Cross Bit R25


Bit process flow

Cross Bit R25



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