In the demanding fields of underground mining, tunneling, and quarrying, the choice of drilling equipment determines the bottom-line profitability and operational safety. The YT24 Air Leg Rock Drill stands out as a premier heavy-duty pneumatic tool designed specifically for mine stone breaking and deep-hole drilling in medium-to-hard rock formations. Engineered to deliver high impact energy, rapid blow frequencies, and exceptional reliability under the harshest environments, the YT24 model remains the backbone of mining operations globally.
Unlike standard handheld drills, the YT24 utilizes an integrated air-leg support system (typically paired with the FT140B or FT140BD air leg) that absorbs recoil forces and carries the weight of the machine, reducing operator fatigue and significantly increasing drilling speed. This makes it an indispensable tool for horizontal or inclined blast hole drilling in hard stone formations.
Pneumatic drilling technology continues to dominate underground mine stone breaking due to its robust simplicity, ease of field maintenance, and unmatched explosion-proof safety profile compared to electrical or hydraulic alternatives.
The global mining and quarrying sector is experiencing a massive transformation driven by infrastructure expansion and increasing demand for raw minerals. As mines descend deeper underground, the geological formations encountered become increasingly complex and hard. This creates a critical demand for drilling solutions that combine high durability with low operational overheads.
While large-scale hydraulic jumbo drills have been adopted for massive tunneling projects, the YT24 Air Leg Rock Drill retains a dominant commercial status in many scenarios. Underground narrow vein mining, vertical shaft excavations, and remote quarrying sites often cannot accommodate heavy machinery due to spatial constraints or lack of electrical infrastructure. In these environments, pneumatic drills powered by portable air compressors offer the most cost-effective, versatile, and immediate solution for stone breaking and blast hole preparation.
Furthermore, from an investment perspective (CAPEX), pneumatic drills represent a fraction of the cost of hydraulic rigs, allowing medium-sized and local mining enterprises to scale operations dynamically. The simplicity of air-driven machinery also ensures that maintenance can be performed directly at the rock face, minimizing costly downtime and transport expenses back to surface workshops.
The versatility of the YT24 rock drill extends across several demanding industrial sectors:
As industrial regulations tighten around workplace safety and environmental impact, pneumatic tool manufacturers are focusing heavily on technological refinements. Key development trends include:
Vibration Reduction: Modern YT24 variants incorporate advanced internal damping systems and ergonomic handles to reduce Hand-Arm Vibration Syndrome (HAVS) among operators.
Water-Flushing Optimization: Wet drilling mechanisms are being optimized to suppress silica dust more effectively at the source, protecting underground workers from pneumoconiosis while cooling the drill bit for prolonged service life.
Eco-Friendly Lubrication: The development of biodegradable rock drill oils that prevent environmental contamination in underground aquifers while maintaining high film strength under extreme mechanical loads.
SHENLI is a leading supplier of superior pneumatic tools for the construction, mining and industrial markets. Since 2005, the Shenley brand has been synonymous with quality and innovation. For over a decade, the SHENLI brand has represented performance, innovation and quality in the pneumatic tool industry. The SHENLI product line now offers a complete line of pneumatic tools, a wholly owned factory, pneumatic tools and a full line of accessories.
With superior product performance, as well as superior product and reliability, competitive pricing for factory direct sellers, exceptionally ergonomically designed tools and quality warranty terms, Shenley has become an industry leader. We take every customer's problem seriously so that we can solve our common problems, and choosing Shenley is just the beginning for you. SHENLI will provide reliable service and support through every step of the process from product consultation to final delivery.
Corporate Culture: More attentive (Work together, keep improving), More Focused (With sincerity, you can achieve anything), More thoughtful (Customer first, service first), Dare to innovate (Keeping up with the times and forging ahead).
The Dutch customer came to our factory and was satisfied with the production equipment, raw materials as well as advanced processes that we have in place. The client then signed a custom order for 500 units after being shown all of these great things about what is possible here at this facility! They hope long-term cooperation can occur between both parties moving forward since they are happy overall from their visit today.
The American customer visits our factory and has an in-depth negotiation to reach a long-term cooperation relationship. Their focus was on sourcing heavy-duty pneumatic drills capable of handling hard granite breaking in Midwestern quarry sites. The performance data of the YT24, particularly its blow frequency and air consumption efficiency, met their strict operational criteria.
The Japanese customer was very satisfied with the factory equipment and production process. He also proposed that they work together on design, which would give them an edge over their competitors who do not have this partnership! Our joint engineering efforts focus on optimizing vibration dampening for urban tunneling applications.
We are delighted that Indian customers have visited our factory to learn more about ISO 9001 certification, which opens up new opportunities for us to collaborate. We explained in detail which parts go to which products, and how many different assembly lines there are, and we all understood. He is looking forward to working with us. This is our first cooperation, and we still maintain a cooperative relationship.
All materials are sourced from domestic and international well-known suppliers, and the quality is free from any flaws.
We have all precision machining production lines, including high-precision CNC lathes, and multi-axis CNC milling machines. Machine tools are from well-known brands, and online quality assurance is performed at every step.
All heat treatment activities are carried out in a sealed quench furnace with facilities including but not limited to carburizing, nitriding, volume quenching, annealing, and tempering.
We have world-class grinding equipment that is capable of maintaining dimensions to within 3 microns. The grinding line includes state-of-the-art equipment including universal CNC grinding machines, cylindrical CNC grinding machines with process gauges, CNC internal diameter grinding machines, and universal CNC grinding machines.
We offer a range of surface treatment options painting and other processes. These processes increase the service life of the tools and provide them with an appearance that meets the customer's requirements.
Assembly and testing are carried out by our dedicated team on custom-built assembly platforms and test machines. Each assembled rock drill is tested for torque, BPM, and air consumption. After successful testing, each machine receives a test certificate to ensure its quality.
At SHENLI, quality is not just a standard; it is our promise. Our quality control system is designed around a zero-defect philosophy to ensure every YT24 rock drill leaving our facility performs flawlessly at the rock face.
Shenli is ISO 9001:2015 certified. We strive to constantly monitor and improve our processes to ensure the highest quality products. Experienced quality inspectors use a variety of precision instruments and special gauges to test the dimensional and functional performance of all components. Regular internal and external quality audits are carried out to continuously improve quality.
CE certification is a mandatory conformity mark for certain products sold within the European Economic Area (EEA). The CE mark certifies that a product has met EU consumer safety, health or environmental requirements. ISO 9001:2015 is an international quality management system (QMS) standard that outlines requirements for a quality management system. Our factory has been ISO 9001:2015 certified since 2015, and all of our products are CE certified.