Discover our high-performance pneumatic picks, rock drills, and heavy-duty compressors designed to optimize excavation speed and drilling efficiency in complex roadway environments.
In modern infrastructure development, roadway construction through mountainous terrains, rocky hillsides, and complex underground geological formations demands robust, highly efficient, and versatile drilling equipment. The YT28 Pneumatic Rock Drill stands as the pinnacle of air-leg rock drilling technology, specifically optimized for heavy-duty roadway construction, tunneling, and quarrying operations. Engineered to deliver high-impact energy and rapid stroke frequencies, this pneumatic powerhouse tackles medium-to-hard rock formations (f=8-18) with unparalleled ease.
Unlike massive hydraulic rig systems that require extensive setup times, high initial capital expenditure, and flat access paths, the YT28 Pneumatic Rock Drill offers unmatched flexibility. It can be easily mounted on an air leg (such as the FT160A or FT160B) or used manually for downward drilling, making it the preferred choice for carving out highway tunnels, expanding mountain passes, stabilizing slopes, and drilling blast holes in confined spaces.
The global market for pneumatic rock drills continues to experience steady growth, driven by massive investments in transport infrastructure, roadway expansions, and urban transit tunnels. In developing regions across Asia, South America, and Africa, mountainous highways and rural road connectivity projects rely heavily on cost-effective, high-durability pneumatic drilling tools. The YT28 model, in particular, remains an industry benchmark due to its simple maintenance, high tolerance for harsh environments, and low operational costs compared to hydraulic alternatives.
From a commercial perspective, contractors and project managers evaluate rock drills based on their TCO (Total Cost of Ownership) and ROP (Rate of Penetration). Pneumatic rock drills require minimal electronic components, meaning they can operate in wet, dusty, and extreme temperature conditions without risk of system failures. Furthermore, the ease of sourcing spare parts—such as pistons, rifle bars, rotating sleeves, and water tubes—ensures that project downtime is kept to an absolute minimum.
Modern occupational health regulations (such as OSHA and EU standards) are pushing manufacturers to design advanced silencers and vibration-dampening handles to protect operators from long-term hand-arm vibration syndrome (HAVS).
The integration of high-strength alloy steels and advanced carburizing heat treatment processes prolongs the lifespan of internal moving components, allowing rock drills to run longer without lubrication failure.
Modern pneumatic drills are increasingly paired with smart, variable-speed mobile screw air compressors, ensuring that air pressure is dynamically adjusted based on rock hardness, saving up to 20% in fuel costs.
The YT28 Pneumatic Rock Drill is not merely a drilling tool; it is a versatile system capable of adapting to diverse engineering challenges. Below is an in-depth analysis of its primary application scenarios in roadway and infrastructure projects:
When carving roads through steep mountain passes, access is heavily restricted. Large drilling rigs cannot navigate the narrow ledges. The YT28, mounted on lightweight air legs, allows operators to drill horizontal and inclined blast holes directly into the cliff faces. These blast holes are loaded with explosives for controlled rock blasting. Additionally, it is used to drill anchor holes for installing rock bolts and wire mesh, securing loose rock formations and preventing landslides over active roadways.
In tunnel construction, the "New Austrian Tunneling Method" (NATM) frequently utilizes pneumatic rock drills for drilling advance support holes (forepoling) and blast holes. The YT28 is highly favored in tunnel headings due to its strong wet-drilling capability. Water is injected through the center of the hollow drill steel directly to the bottom of the hole, flushing out dust as slurry. This wet-drilling technique is vital for maintaining air quality and visibility inside the tunnel, protecting workers from silicosis.
Roadway construction often requires the installation of subterranean utilities, including drainage pipes, fiber optic cables, and water mains. When these trenches encounter solid bedrock, standard excavators are ineffective. The YT28 is deployed to drill line holes along the trench perimeter, enabling clean rock splitting using pneumatic breakers or expansive mortar. This precise excavation prevents over-breakage and preserves the integrity of the surrounding soil.
For elevated highways and bridges, securing the abutments to solid rock foundations is critical. The YT28 is used to drill deep anchoring holes in rock beds to receive high-tensile steel rebars. The high torque output of the YT28 ensures that holes remain straight and uniform even when passing through varying rock layers, ensuring maximum structural load transfer.
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.
Striving to be a world-class supplier of rock drills: Adhering to the development experience of pneumatic tools for many years, Shenli takes "customer first, service first" as the spirit of enterprise, and "strive to become the world's first-class rock drill provider" as the vision, constantly innovate technology, strive for perfection, and open up a broader market for customers.
Work together, keep improving
With sincerity, achieve anything
Customer first, service first
Keep up with times, forge ahead
Shenli's rock drills and pneumatic tools are trusted by global engineering firms. Here are key case studies highlighting international collaboration on roadway and tunneling excavations.
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, focusing on high-performance rock drilling equipment for highway expansion projects across challenging geological zones.
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!
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.
Our manufacturing facility is equipped with state-of-the-art machinery to ensure every pneumatic tool meets the highest levels of precision and durability. From raw material selection to final assembly, quality is controlled at every stage.
At Shenli, quality control is integrated into our company culture. We adhere to rigorous standards to ensure that every rock drill delivered to a construction site performs flawlessly under pressure.
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.
Our factory has been ISO 9001:2015 certified since 2015, and all of our products are CE certified. This ensures that our products meet high standards of quality and safety, and that they can be freely circulated within the EU.
CE certification is a mandatory conformity mark for certain products sold within the European Economic Area (EEA). CE stands for "Conformité Européenne" which translates to "European Conformity." The CE mark certifies that a product has met EU consumer safety, health or environmental requirements. CE certification also allows manufacturers to freely circulate their products within the EEA.
ISO 9001:2015 is an international quality management system (QMS) standard that outlines requirements for a quality management system. The standard is designed to help organizations ensure they meet customer and regulatory requirements. CE certification and ISO 9001:2015 certification are just two of the ways we ensure that our products are of the highest quality.
Explore our full lineup of factory-direct pneumatic rock drills, paving breakers, diamond core bits, and mobile screw compressors engineered for heavy roadway construction.