R25 Reaming Drill Bits

Reaming bit, also known as pilot reamer bit, is a hole opener that drills a pilot hole to a certain depth and then reams the hole to a larger diameter. It is mainly used for center hole reaming in long hole drilling. Threaded reaming bits are divided into integral reaming bit (dome type, pilot type) and split-type reaming bit. Our reaming button bits are mainly dome reaming bits and pilot reaming bits,

Reaming Diameter:64-102
Normal thread:R25,R28,R32
Type:Pilot,Integral


Product Details

R25 Reaming Drill Bits: Precision Drilling for Compact and Challenging Environments

In the demanding world of rock drilling, precision and reliability are vital—especially in projects with limited space or requiring smaller hole diameters. R25 reaming drill bits are purpose-built for such conditions, providing powerful reaming capability in compact, high-efficiency form. Designed to deliver consistent results in underground mining, civil engineering, and tunneling, R25 reaming drill bits are the preferred choice for professionals who need precise hole enlargement in confined workspaces.

What Are R25 Reaming Drill Bits?

R25 reaming drill bits are specialized drilling tools used to enlarge pilot holes in rock or other hard materials. Built to connect with R25 drill rods through a secure threaded coupling, these bits offer a perfect balance of strength, compact size, and precision. Their small diameter makes R25 reaming drill bits ideal for use in shallow or narrow drilling applications where larger tools would be impractical or too aggressive.

Core Features of R25 Reaming Drill Bits

  1. High-Grade Tungsten Carbide Buttons
    The cutting structure of R25 reaming drill bits consists of wear-resistant tungsten carbide inserts. These buttons ensure high penetration rates and extended service life in abrasive rock formations.

  2. Compact R25 Thread System
    Designed for small-diameter drilling, the R25 thread guarantees a tight and stable connection, which minimizes vibration and maximizes energy transfer during drilling operations.

  3. Optimized Face Design
    With configurations such as flat face and drop center, R25 reaming drill bits offer excellent flushing capabilities, better hole straightness, and smoother operation in tough ground conditions.

  4. Lightweight and Efficient
    The compact design makes them easy to handle, fast to deploy, and well-suited for handheld and small-scale mechanized drilling systems.

Common Applications of R25 Reaming Drill Bits

Due to their adaptability and precision, R25 reaming drill bits are widely used across multiple industries:

  • Underground Mining: For reaming support bolt holes, cable bolting, and drift development.

  • Tunneling: Used in microtunnels or utility tunnels where accuracy and limited vibration are crucial.

  • Geotechnical Projects: Including rock anchoring, soil nailing, and retaining wall drilling.

  • Construction Sites: In confined foundation or retrofitting jobs where access is restricted.

Wherever accurate, small-diameter reaming is required, R25 reaming drill bits deliver consistent results.

Key Advantages of R25 Reaming Drill Bits

  • Superior Precision
    The small diameter and stable drilling action of R25 reaming drill bits result in minimal hole deviation, clean boreholes, and precise alignment for support systems.

  • Extended Bit Life
    Built from premium materials and precision heat-treated, these drill bits resist cracking, chipping, and accelerated wear—even in challenging geology.

  • Low Operating Costs
    Thanks to their long service life and high efficiency, R25 reaming drill bits reduce replacement frequency and downtime, contributing to lower drilling costs overall.

  • Excellent Compatibility
    Compatible with all major R25 drill rods and couplings, these bits integrate smoothly into existing drilling systems without the need for specialized adapters.

Why Choose R25 Reaming Drill Bits?

Professionals who value accuracy, efficiency, and durability in tight environments consistently rely on R25 reaming drill bits. These bits offer a precision-oriented approach to rock drilling, especially in smaller-scale or technically demanding projects. With fewer interruptions, better control, and reliable performance, they are an essential part of any serious drilling operation.


Conclusion

For small-diameter reaming in tight spaces, R25 reaming drill bits are the industry’s trusted solution. Combining advanced materials, compact engineering, and optimized cutting performance, they meet the high expectations of mining engineers, tunneling contractors, and geotechnical professionals. If your project demands superior hole accuracy and efficient drilling in compact conditions, R25 reaming drill bits will deliver dependable results every time.


Leave your messages

Related Products

x

Popular products

x
x