Beijing International Mining Expo-Rock Drilling Tools

4 month ago

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Luoyang Golden Egret Geotools co., Ltd.

 3 year year

Product details

Bolting Rods are core consumable tools specially designed for underground mining roadway support, tunnel anchoring, and rock bolting construction. Serving as the critical connecting component between rock drilling machines and anchor bits, they undertake torque transmission, impact force conduction, and flushing medium delivery during drilling operations. Widely applicable to coal mines, metal mines, hydraulic tunnels, and underground roadway reinforcement projects, our series of mining bolt drill rods are engineered to adapt to complex and harsh underground working conditions, solving the pain points of easy deformation, rapid wear, low drilling efficiency, and short service life of traditional drill rods, becoming reliable auxiliary equipment for underground roadway support engineering.

Manufactured with high-quality alloy steel materials (55SiMnMo high-strength alloy steel as the standard configuration), our bolt drill rods undergo integral vacuum quenching and tempering heat treatment technology. Compared with ordinary carbon steel drill rods, the product features uniform overall hardness, strong toughness, and excellent anti-fatigue performance. The overall structural strength is effectively improved to resist strong impact, torsion and friction from hard rock strata, avoiding common failures such as rod body bending, fracture and thread slipping in high-intensity drilling operations. Each drill rod is strictly processed through precision forging, integral shaping and fine thread finishing, with stable structural performance and strong environmental adaptability, suitable for long-term continuous operation in fractured rock, soft and hard interbedded rock, and high-dust underground environments.

In terms of structural design, our Anchor Drill Rods adopt a mature hexagonal hollow integrated structure, including mainstream specifications such as B19, B22, R25 and R32, with customizable lengths ranging from 1.0m to 8.0m to meet the drilling depth requirements of different roadway support processes. The hollow central channel achieves efficient water/gas flushing, which can quickly discharge rock powder and slag generated during drilling, prevent drill hole blockage and bit sticking, and greatly improve drilling smoothness and hole forming quality. The standard precision threads at both ends adopt international universal tooth type, with high matching accuracy, firm connection and no loose tripping during high-speed rotation and impact drilling. The optimized thread structure reduces connection wear, ensures stable torque transmission, and effectively improves the overall drilling efficiency of the equipment.

This series ofAnchor Rods is perfectly compatible with various mainstream underground anchoring equipment, including pneumatic roof bolters, hydraulic rock drills and electric drilling rigs, and supports the matching use of anchor bits and cable bits for roadway support. It covers all mainstream processes of underground mining support, including conventional anchor bolt drilling, anchor cable drilling, grouting anchor drilling and temporary support hole forming. Different from ordinary drilling rods focusing on open-pit drilling, our mining-specific bolt drill rods are optimized for the narrow space, low visibility and complex strata of underground roadways, featuring compact structure, light weight and easy manual carrying and operation, which effectively reduces the labor intensity of construction workers and improves the convenience of on-site construction.

Superior comprehensive performance is the core advantage of our products. Firstly, the ultra-high wear resistance and impact resistance extend the service life significantly, reducing the frequency of equipment replacement and downtime loss, and effectively lowering the overall construction cost of mining enterprises. Secondly, the precise dimensional tolerance and stable structural performance ensure high straightness of drilled holes, which provides accurate hole position guarantee for subsequent anchor bolt and cable installation, improves the bonding tightness between support components and surrounding rock, and enhances the overall stability of roadway support. In addition, the product has excellent anti-corrosion and anti-rust performance, adapting to humid, dusty and slightly corrosive underground mining environments, avoiding rod body oxidation and performance degradation, and maintaining stable working performance in long-term service.

In actual mining engineering applications, bolt drill rods are indispensable basic tools for roadway ground control. Whether it is preliminary tunneling temporary support or later permanent roadway reinforcement, efficient and stable drilling operation depends on high-quality bolt drill rods. Our products have been widely applied in coal mine roadway bolting, metal mine underground tunnel support, railway and highway tunnel anchoring, and underground engineering slope reinforcement. Especially for fractured, loose and broken surrounding rock strata that are difficult to construct with conventional tools, our high-toughness drill rods can effectively adapt to complex drilling conditions, reduce hole collapse and bit sticking failures, and greatly improve the progress and safety of underground support construction.

We adhere to strict production quality control standards. All bolt drill rods undergo multiple inspections including material composition detection, hardness testing, torsion resistance testing and impact fatigue testing before leaving the factory, to ensure that each product meets international mining industry safety standards and mechanical performance indicators. The products support customized processing of special specifications, special thread types and special surface treatments according to customer on-site working conditions, providing personalized one-stop drilling tool solutions for global mining and tunnel engineering customers.

In terms of cost performance and after-sales service, our bolt drill rods adopt factory direct sales mode, eliminating intermediate links and providing customers with high-quality products at competitive prices. With stable quality, long service life and high construction efficiency, the products effectively reduce the total operating cost of customers' equipment. Meanwhile, we provide complete after-sales guarantee, technical support and quick response service, solving various on-site use problems for customers in a timely manner, and ensuring the stable and efficient operation of customers' underground mining and roadway support projects.

To sum up, our high-strength underground mining bolt drill rods integrate high toughness, high wear resistance, high efficiency and strong compatibility. They are professional and reliable drilling tools for modern underground mining roadway support, helping mining enterprises improve construction efficiency, reduce production costs, and ensure the safety and stability of underground roadway operation, and are widely recognized and trusted by global engineering and mining customers.

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Luoyang Golden Egret Geotools co., Ltd.

 Audited supplier

3 year

Address: Luoyang, China

Main Product: Top Hammer Drilling Tools, DTH Drilling Tools, Coal Mining Tools , Construction Tools, Wear and Crushing Tools, Rotary Drilling Tools

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