Air-leg Rock Drill
YT23
YT24
YT27
YT28
YT29A
Handheld Rock Drill
Y6
Y20
Y24
Y26
Y19A
YO18
YO20
Y20LY
The most accurate equipment recommendation depends on specific factors such as rock hardness, target hole diameter and depth, as well as available air compressor pressure and flow rate. Our technical team can provide customized equipment matching solutions and optimal cost-performance proposals based on your detailed working conditions.
| AIR LEG ROCK DRILL | |||||
| Model | YT27 | YT28 | YT29A | YT24 | YT23 |
| Weight(kg) | 27 | 26 | 27 | 24 | 24 |
| Length(mm) | 668 | 661 | 659 | 675 | 628 |
| Shank Size(mm) | H22x108 | H22x108 | H22x108 | H22x108 | H22x108 |
| Drilling diameter(mm) | 34-45 | 34-42 | 34-45 | 34-42 | 34-42 |
| Working Pressure(MPa) | 0.4-0.63 | 0.4-0.63 | 0.4-0.63 | 0.4-0.63 | 0.4-0.63 |
| Piston diameter(mm) | 80 | 80 | 82 | 70 | 76 |
| Piston stroke(mm) | 60 | 60 | 60 | 70 | 55 |
| Air pipe inner diameter(mm) | 25 | 25 | 25 | 19 | 25 |
| HAND HELD ROCK DRILL | |||||||
| Model | Y6 | Y24 | Y26 | Y19A | YO18 | YO20 | Y20LY |
| Weight(kg) | 6 | 24 | 26 | 19 | 18 | 20 | 18 |
| Length(mm) | 426 | 604 | 650 | 600 | 550 | 561 | 609 |
| Shank Size(mm) | H22x108 | H22x108 | H22x108 | H22x108 | H22x108 | H22x108 | H22x108 |
| Drilling diameter(mm) | 20 | 34-42 | 34-42 | 34-40 | 34-40 | 34-40 | 34-40 |
| Working Pressure(MPa) | 0.4-0.63 | 0.4-0.63 | 0.4-0.63 | 0.4-0.5 | 0.4-0.5 | 0.4-0.63 | 0.4-0.63 |
| Piston diameter(mm) | 70 | 70 | 65 | 65 | 58 | 63 | 60 |
| Piston stroke(mm) | 60 | 70 | 70 | 54 | 45 | 55 | 50 |
| Air pipe inner diameter(mm) | 19 | 19 | 19 | 19 | 19 | 19 | 16/19 |
Applications of Pneumatic Rock Drill
Mining
Used for roadway drilling, blastholes, rock bolting, and secondary rock breaking.
Tunneling
Ideal for tunnel excavation, support drilling, pipe-roof holes, and accurate blastholes.
Construction
Rescue
Reliable for channel opening, breaking work, and emergency operations without electricity.
Competitive Advantage
Forged Strength
Fully forged construction creates a denser structure with better impact resistance and more stable performance than cast components.
Reinforced Structure
Thicker outer pipe and extension rod, combined with a precision copper bushing, improve durability, heat dissipation, and stable operation under heavy impact.
Longer Wear Life
Key components use premium alloy steel with advanced heat treatment for outstanding wear resistance and longer service life, reducing downtime and replacement frequency.
Strict Quality Control
Each rock drill is tested before shipment to ensure reliable impact force, stable operation, and consistent product quality.
Fast Delivery & Support
Standard models are stocked for quick dispatch, with customization options and professional technical support available for global customers.
Part Disassembly Diagram of Pneumatic Rock Drill
| Number | Spare Parts Name | Number | Spare Parts Name | Number | Spare Parts Name |
| 1 | Ratchet | 24 | Long Screw Rod | 47 | Spring Cover |
| 2 | Valve Chest | 25 | Control Valve | 48 | Water Injection Valve |
| 3 | Valve Cover | 26 | Water Needle | 49 | Right Handle |
| 4 | Spiral Nut | 27 | Air Needle | 50 | Rubber Grip |
| 5 | Piston | 28 | Large Seal Sleeve | 51 | Sealing Ring |
| 6 | Cylinder | 29 | Handle Body | 52 | Spring |
| 7 | Guide Sleeve | 30 | Piston Ring | 53 | Water Needle Sleeve |
| 8 | Muffler | 31 | Pressure Regulating Valve | 54 | Rubber Gasket |
| 9 | Bushing | 32 | Operating Handle | 55 | Air Needle Gasket |
| 10 | Valve | 33 | Left Handle | 56 | Spring |
| 11 | Dowel Pin | 34 | Elastic Ring | 57 | Locating Pin |
| 12 | Ratchet Pawl | 35 | Small Seal Sleeve | 58 | Ring Sealing Ring |
| 13 | Spiral Rod | 36 | Long Screw Rod Nut | 59 | Gasket |
| 14 | Tower Spring | 37 | Wire Snap Ring | 60 | O-ring |
| 15 | Front Head | 38 | Air Pipe Elbow | 61 | O-ring |
| 16 | Rotating Sleeve | 39 | Trigger | 62 | O-ring |
| 17 | Shank Adapter | 40 | Directional Control Valve | 63 | O-ring |
| 18 | Spring Washer | 41 | Spring | 64 | Hose Clamp |
| 19 | Steel Retainer Spring | 42 | Water Pipe Elbow | 65 | Elastic Cylindrical Pin |
| 20 | Steel Retainer Bolt | 43 | Wire Snap Ring | 66 | Standard Spring Washer |
| 21 | Steel Retainer | 44 | Fixing Pin | 67 | Hex Thin Nut |
| 22 | Spline Nut | 45 | Water Injection Valve Body | ||
| 23 | Hex Lock Nut | 46 | Wire Snap Ring |
YT23
YT23
YT23
Pneumatic Rock Drill FAQs
What is a pneumatic rock drill used for?
A pneumatic rock drill is used for drilling blast holes, anchor holes and other holes in hard rock. It is commonly used in underground mining, tunneling, quarrying and construction. Powered by compressed air, it provides strong impact energy and reliable performance in demanding rock drilling conditions.
How does a pneumatic rock drill work?
A pneumatic rock drill uses compressed air to drive a piston that repeatedly strikes the drill steel, producing high-impact energy for rock penetration. At the same time, the drill steel rotates to create an efficient drilling action. This combination makes pneumatic rock drills suitable for demanding mining, tunneling and quarrying applications.
What air pressure is required for a pneumatic rock drill?
Most pneumatic rock drills operate at a working air pressure of approximately 0.4–0.63 MPa, depending on the model. Adequate air pressure and airflow are important for maintaining stable impact energy and drilling efficiency. Contact us with your drilling conditions and compressor specifications, and we can recommend a suitable rock drill model.
How do I choose the right pneumatic rock drill model?
The right pneumatic rock drill depends on rock hardness, hole diameter and depth, drilling direction, working conditions, and available air compressor capacity. Air-leg rock drills are typically suitable for continuous drilling in mining and tunneling, while handheld models are better for lighter work and applications requiring frequent movement. Contact us with your drilling requirements and we can recommend a suitable model.
Are pneumatic rock drills suitable for mining and tunneling?
Yes. Pneumatic rock drills are widely used in underground mining and tunneling for blast hole drilling, rock bolting, tunnel excavation and other rock drilling operations. Their air-powered design, strong impact performance and durable construction make them suitable for demanding underground working conditions.
What information should I provide when requesting a pneumatic rock drill quotation?
To recommend the right pneumatic rock drill, please provide your application, rock hardness, required hole diameter and depth, drilling direction, and available air compressor pressure and airflow. If you are replacing an existing rock drill, you can also provide the current model or specifications. Our technical team will help select a suitable model and prepare a quotation based on your requirements.