G11/ G12

G11Model: G11Body length: 580 MMMachine weight: 11 KGWorking air pressure: 0.63 MpaImpact frequency: 16 HZAir consumption: 1.56 m³/minImpact energy: 50JCylinder diameter: 38 MMG12Model: G12Body length: 580 MMMachine weight: 12 KGWorking air pressure: 0.63 MpaImpact frequency: 16 HZAir consumption: 1.56 m³/minImpact energy: 55JCylinder diameter: 38 MM

G18/ G20

G18Model: G18Body length: 540 MMMachine weight: 18 KGWorking air pressure: 0.63 MpaImpact frequency: 18 HZAir consumption: 1.50 m³/minImpact energy: 60JCylinder diameter: 40 MMG20Model: G20Body length: 540 MMMachine weight: 20KGWorking air pressure: 0.63 MpaImpact frequency: 16 HZAir consumption: 1.38 m³/minImpact energy: 62JCylinder diameter: 40MM

G10

Model: G10Body length: 570 MMMachine weight: 10 KGWorking air pressure: 0.63 MpaImpact frequency: 16 HZAir consumption: 1.56 m³/minImpact energy: 43JCylinder diameter: 38 MM

YT27

Model: YT27Machine weight: 27 kgMachine length: 668 mmCylinder diameter: 80 mmPiston stroke: 70 mmWorking air pressure: 0.63 MPaImpact frequency: >36.9 HzAir consumption: ≤83.3 L/sAir pipe inner diameter: 25 mmWater pipe inner diameter: 13 mmDrilling hole diameter: 34-45 mmDrill shank specification: 22×108±1 mmSupporting FY250 type oil injectorWeight: 1.2 kgOil storage capacity: 0.25 LFT160A type air leg (Version 1):Air leg length: 1668-3006 mmAdvance stroke: 1338 mmMaximum axial thrust: 2000 NWeight: 17 kgFT160A type air leg (Version 2):Air leg length: 1428-2526 mmAdvance stroke: 1098 mmMaximum axial thrust: 2000 NWeight: 16 kgYT27 air leg rock drill is a new type of high-efficiency rock drilling equipment. It is mainly used for rock drilling operations in mine roadway excavation, and is also widely applied as a rock drilling tool in the fields of railway, water conservancy and national defense rock-soil engineering.The YT27 air leg rock drill must be matched with FY250 oil injector and FT160A (or FT160B) air leg. It can carry out wet rock drilling operations in medium-hard and hard rock. The equipment can drill horizontal and inclined blasting holes. After removing the air leg, it can also be installed on a rock drilling jumbo for operation.

YO20

Model: YO20Machine weight: 20.5 kgMachine length: 561 mmCylinder diameter: 63 mmPiston stroke: 55 mmAir pipe diameter: 19 mmWater pipe diameter: 8 mmDrill shank specification: 22×108 mmDrilling hole diameter: φ30-φ42 mmWorking pressure: 0.4-0.5 MpaAir consumption: ≤33 L/SecImpact energy: ≥26 JImpact frequency: ≥33 HZMaximum drilling depth: 5 mThe YO20 handheld rock drill is widely used in quarry operations, mining exploitation, tunnel excavation and all kinds of rock drilling construction sites. It can be used for drilling blasting holes, serving as an indispensable heavy-duty working equipment in the fields of mines, water conservancy, building materials, energy, transportation, military industry and geological engineering.This model is compatible with H22 steel drill rods. The conventional blast hole diameter ranges from 30 to 42 mm, and the effective drilling depth can reach 5 meters.

Y19A

Model: Y19AMachine weight: 19kgMachine length: 600mmCylinder diameter: 65mmPiston stroke: 54mmDrilling hole diameter: 32 - 42mmMaximum drilling depth: 5mDrill shank specification: 22×108mm (some versions marked H22×108±1mm)Working air pressure: 0.4 - 0.63MPaWorking water pressure: 0.2 - 0.3MPaAir pipe inner diameter: 19mmWater pipe inner diameter: 13mmWorking performance at 0.4MPa:Impact energy ≥28J;Impact frequency ≥28Hz;Idle rotational speed ≥180r/min;Air consumption ≤37L/sWorking performance at 0.5MPa:Impact energy ≥40J;Impact frequency ≥35Hz;Idle rotational speed ≥200r/min;Air consumption ≤43L/sThe Y19A handheld rock drill adaptable for both hand-held and air leg operation is mainly used for rock excavation in small stone quarries, mining operations of small mines such as coal mines and limestone mines, rock drilling and blasting construction for mountain roads, as well as farmland water conservancy construction projects. This equipment is also suitable for secondary blasting in large mines and rock drilling work in other engineering construction sectors.Matched with the FT100 type air leg, the dual-purpose Y19A rock drill can perform dry and wet rock drilling on medium-hard or hard rock.This model can be used together with small air compressors having an air displacement of 1.5-2.5 cubic meters per minute, and its performance is superior to similar products.

YO18

Model: YO18Machine weight: 18 kgMachine overall length: 550 mmCylinder diameter: 58 mmPiston stroke: 45 mmAir pipe inner diameter: 19 mmWater pipe inner diameter: 8 mmDrill shank specification: 22×108 mmWorking water pressure: 3.9-5.9×10⁵ MPaAt working air pressure 3.9×10⁵Pa:Air consumption: <1.2 m³/minAverage rock drilling speed (≤14 drill bit Φ36): 80 mmAt working air pressure 4.9×10⁵ Pa:Impact energy: 24.5 JTorque: 78.5 N·mAir consumption: ≤1.35 m³/minAverage rock drilling speed (≤14 drill bit Φ36): 120 mmFY200 type oil injectorWeight: ≤1.2 kgOil storage volume: 200 mmFT100 type air legWeight: 11 kgAdvance stroke: 810 mmDrilling hole diameter: 52 mmAir leg length: 1312 mmModel: YO18Machine weight: 18 kgMachine overall length: 550 mmCylinder diameter: 58 mmPiston stroke: 45 mmAir pipe inner diameter: 19 mmWater pipe inner diameter: 8 mmDrill shank specification: 22×108 mmWorking water pressure: 3.9-5.9×10⁵ MPaAt working air pressure 3.9×10⁵Pa:Air consumption: <1.2 m³/minAverage rock drilling speed (≤14 drill bit Φ36): 80 mmAt working air pressure 4.9×10⁵ Pa:Impact energy: 24.5 JTorque: 78.5 N·mAir consumption: ≤1.35 m³/minAverage rock drilling speed (≤14 drill bit Φ36): 120 mmFY200 type oil injectorWeight: ≤1.2 kgOil storage volume: 200 mmFT100 type air legWeight: 11 kgAdvance stroke: 810 mmDrilling hole diameter: 52 mmAir leg length: 1312 mmThe YO18 rock drill is suitable for rock blasthole drilling operations in quarries, small-scale mines and various engineering construction projects.This equipment can drill horizontally and vertically on medium-hard and hard rock formations for blasthole drilling operations. When matched with the FT100 type air leg, multi-directional and multi-angle blasthole drilling work can be realized.Its drilling hole diameter ranges from Φ36 to 42 mm, the optimal drilling depth is 1.5 to 2 meters, and the maximum drilling depth can reach 5 meters.

YT28

The YT28 Air-Leg Rock Drill is designed with modern rock drilling technology. Compared with similar products, it features high efficiency, low noise, light weight, and excellent cost-effectiveness. Proven in long-term mining operations, the YT28 is known for superior performance, reliable operation, and easy maintenance, making it a popular and highly efficient rock drilling equipment among users.This manual introduces the performance, working principle, operation, and maintenance precautions of the YT28, helping users understand and use the machine correctly to achieve its optimal performance.If you encounter any issues with the structure, performance, or quality of the machine during use, please provide your feedback so we can better serve you.Product Compliance Standards:JB/T1674-1994 "Air-Leg Rock Drills"MT/903-2002 "General Technical Conditions for Pneumatic Rock Drills for Coal Mines"Specification: YT28Machine Weight: ≈26 kgMachine Length: 661 mmCylinder Diameter: 80 mmPiston Stroke: 60 mmWorking Pressure: 0.4 / 0.5 / 0.63 MPaImpact Frequency: ≥28 / ≥35 / ≥36 HzAir Consumption: ≤52 / ≤58 / ≤82 L/sImpact Energy: ≥44 / ≥63 / ≥70 JTorque: ≥15 / ≥19 / ≥23 N·mRotation Speed: ≥250 / ≥260 / ≥300 RPMDrilling Speed: ≥250 / ≥400 / ≥470 mm/minNoise Level: ≤124 / ≤125 / ≤127 dB(A)Average Drilling Length Before First Failure: ≥400 mDrilling Depth Without Disassembly: ≥300 mAir Hose Inner Diameter: 25 mmWater Hose Inner Diameter: 13 mmDrill Bit Diameter: Φ34~42 mmShank Adapter Size: 22×108+1 mmFT160BD Air Leg (Short Type)Air Leg Length: 1400 mmFeed Stroke: 965 mmCylinder Inner Diameter: 65 mmWeight: ≈14.4 kgFT160BC Air Leg (Long Type)Air Leg Length: 1800 mmFeed Stroke: 1365 mmCylinder Inner Diameter: 65 mmWeight: ≈16.9 kgFY200B or FY200C OilerOil Capacity: 200 mlWeight: 1.02 kg

Y24

The Y24 Handheld Pneumatic Rock Drill is designed for use in medium-hard to hard rock (Protodyakonov coefficient f=8~18). Derived from the YT24 air-leg rock drill, this model features enhanced flushing and hole-clearing capabilities. It is widely used in open-pit mines, quarries, and various geotechnical construction sites, primarily for downward drilling of blast holes and secondary rock breaking operations.This equipment supports both dry and wet drilling methods. When used with the FY200B oiler, it ensures effective lubrication for the machine. Known for its strong versatility and easy maintenance, it is a common choice for small and medium-sized rock excavation projects.Specification: Y24Machine Weight: 24 kgMachine Length: 628 mmCylinder Diameter: 70 mmPiston Stroke: 70 mmAir Hose Diameter: 25 mmWater Hose Diameter: 13 mmShank Adapter Size: 22×108 mmDrilling Diameter: Φ30-Φ42 mmWorking Pressure: 0.35-0.63 MPaAir Consumption : <38 L/SecImpact Energy: >45 JImpact Frequency: >28 HzMax Drilling Depth: 5 mOverall Dimensions: 735×305×218 mm

B47/B87C

YT29A

YT29A Pneumatic Rock Drill is a heavy-duty, high-efficiency and low-consumption air-leg rock drilling equipment. It is suitable for drilling horizontal and inclined blast holes in medium-hard to hard rock (Protodyakonov coefficient f=8~18), and can also drill upward anchor holes.According to the roadway cross-section size and working conditions, this equipment can be used with FT160A (or FT160B, 160C) air legs, or matched with rock drill jigs or drill stands for both dry and wet drilling operations.Specification： YT29AMachine Weight ≈26 kgMachine Length： 661 mmCylinder Diameter： 80 mmPiston Stroke： 60 mmWorking Pressure： 0.5-0.6 MPaImpact Frequency： ≥34 / ≥37 HzAir Consumption： ≤55 / ≤81 L/sAir Hose Inner Diameter： 25 mmWater Hose Inner Diameter ： 13 mmDrill Bit Diameter： Φ34~42 mmShank Adapter Size： 22×108+1 mmFT160BD Air Leg (Short Type)Air Leg Length： 1400 mmFeed Stroke： 965 mmCylinder Inner Diameter： 65 mmWeight： ≈14.4 kgFT160BC Air Leg (Long Type)Air Leg Length： 1800 mmFeed Stroke： 1365 mmAir Hose Inner Diameter： 65 mmWeight： ≈16.9 kgFY200B or FY200C OilerOil Capacity： 200 mlWeight： 1.02 kg

Y26

Parameter: Y26Machine Weight: 26 kgMachine Length: 650 mmCylinder Diameter: 65 mmPiston Stroke: 70 mmWorking Air Pressure: 0.4 MPaImpact Energy: ≥ 30 JImpact Frequency: > 23 HzAir Consumption : ≤ 47 L/sWorking Water Pressure: 0.2–0.3 MPaAir Hose Inner Diameter：19 mmWater Hose Inner Diameter：13 mmShank Specification: 22×108 mmDrilling Hole Diameter : 30–42 mmMax. Drilling Depth: 5 mBrief IntroductionThe Y26 handheld pneumatic rock drill is designed primarily for use in medium-hard to hard rock (the rock hardness coefficient "f" is compatible with common mining operation standards). With a total weight of 26 kg, it features a compact and well-engineered body design.This unit offers flexible operation in both dry and wet drilling modes, supporting blast hole drilling in vertical or inclined directions. It is widely used in mining, railway construction, water conservancy projects, and quarry operations. It is suitable for both blast hole drilling and secondary rock breaking tasks.Key advantages include powerful hole-blowing capability, stable operation, low failure rate, and durable parts. Ideal for small and medium-sized geotechnical projects, it delivers an excellent balance of efficiency and cost-effectiveness.