Round Drill Extension Rods

There are several key features that define the quality and performance of round drill extension rods, making them suitable for a wide range of drilling applications. These characteristics ensure durability, efficiency, and cost-effectiveness on the job site.

• Advanced Carburizing Process: The application of a carburizing process significantly enhances the surface hardness of the drill rods. This heat treatment creates a tough, wear-resistant outer layer while maintaining a strong, flexible core, which dramatically extends the service life and overall wearing quality of the rods.
• Premium Material Composition: These drill rods are made from 23CrNi3Mo, a high-grade alloy steel comparable to Sandvik’s Sandbar 64. This material choice ensures exceptional strength, toughness, and fatigue resistance, allowing the rods to withstand the high-stress conditions of rock drilling without premature failure.
• Cost-Effective Performance: These drill rods offer a balance of excellent performance and a reasonable price point. This cost-effectiveness provides a high return on investment for drilling operations, as they deliver reliable results and a long lifespan without the premium cost of some other brands.
• Comprehensive Range of Types: A complete selection of drill rod types is available to suit various drilling scenarios. This versatility ensures that you can find the perfect rod for your specific needs, whether for small-scale construction or large-scale mining projects, optimizing performance across different applications.

Round drill extension rods are an indispensable tool in the mining, construction, and quarrying industries, enabling deep hole drilling and boosting operational efficiency. Their primary application is to extend the reach of the drill string, allowing operators to drill holes to significant depths.

• Mining and Quarrying: In these industries, round drill extension rods are crucial for long-hole drilling to create blast holes for ore extraction and rock fragmentation. They are also used for production drilling and developing access tunnels, providing the necessary depth and precision for complex underground operations.
• Tunneling and Civil Engineering: Round drill rods are used extensively in tunneling projects to create boreholes for rock reinforcement, pre-grouting, and blast holes for excavation. Their versatility and ability to handle various rock formations make them a go-to tool for constructing tunnels for roads, railways, and utilities.
• Bench Drilling and Surface Blasting: For surface mining and construction, these rods are vital for bench drilling, a method used to create a series of holes in a rock face for controlled blasting. They ensure consistent hole depth and spacing, which is critical for achieving optimal rock fragmentation and safety.
• Foundation and Pile Drilling: In construction, round drill extension rods are employed for drilling deep holes for foundations, anchors, and micro-piles. They are essential for stabilizing structures in challenging ground conditions, providing the necessary depth to reach competent bedrock or stable soil layers.
• Geotechnical and Exploration Drilling: These rods are also used in geotechnical investigations to obtain core samples and in exploration drilling to assess mineral deposits. Their ability to reach great depths with minimal hole deviation ensures accurate data collection, which is vital for project planning and resource evaluation.