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High-performance A25A hydraulic rock drill

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AD117 Reverse Circulation (RC) Hammer

M8 B/D Hydraulic Rock Drill

1. Basic Concept

The M8B/D is a multifunctional hydraulic rock drill designed by WOSERLD for hard rock drilling in mining and underground engineering.
It is a high-frequency, medium-power drifter, widely mounted on anchor rigs and tunneling jumbos.
It delivers impact + rotation via hydraulic power, ideal for soft to medium-hard rock formations.

2. Product Features

Compact & sturdy build: Dimensions 702×200×195 mm, weight ~70 kg; fits small cross-section tunnels.
High frequency & stable power: Impact frequency 55–65 Hz, impact power 8 kW; hole diameter 32–51 mm.
Advanced cylinder liner design: Piston avoids direct contact with the housing, extending service life.
Versatile shank compatibility: Fits T32/T38/T45/T51 shank adapters for diverse drilling tasks.

3. Application Scenarios

Underground mining: Coal mine roadway support, anchor hole drilling, and tunneling operations.
Non-coal mining: Metal mines, salt mines, and mineral exploration blasting holes.
Civil engineering: Water conservancy, highway tunnels, and slope stabilization anchoring.
Small-section tunnels: Perfect for narrow headings with limited space and complex geology.

4. Main Advantages

High penetration rate: High-frequency impact reduces drill rod stress, boosting efficiency by 20–30%.
Low operation cost: Simple structure, easy maintenance, and long service life lower total ownership cost.
Enhanced safety: Low noise design; supports remote control for underground positioning and drilling.
Reliable performance: Withstands harsh underground conditions; improves advance speed and continuous production.

项目（Item）	单位（Unit）	技术参数值（Technical data）
结构参数(Structure)
外形尺寸（不含钎尾） Overall dimension ( Without drill tail )	mm	702x200x195
重量（含钎尾）(Weight)	Kg	72
中心高(Center height)	mm	108.5
钎尾(Shank)	-	H25F/R28F/R32F/R32/R38
凿孔直径(Hole dia.)	mm	32-51
冲击性能参数(Impact functions)
最大冲击功率(Max.impact power)	KW	8
进油压力(Oil inlet pressure)	Bar	150
冲击频率(Impact frequency)	Hz	55-65
流量(Flow)	L/min	55-65
冲击能(Impact energy)	J	86-117
回转性能参数(Rotation functions)
排量(Displacement)	CC	160
转速范围(Rotation speed)	Rpm	300
最大扭矩(Max.torque)	Nm	400
进油压力(Oil inlet pressure)	Bar	175
流量(Flow)	L/min	48
其他参数（Others)
水压(Water pressure)	Bar	15
水流量(Water flow)	L/min	20-50
润滑气雾压力(Air lubrication pressure)	Bar	2
润滑气对应流量(lubrication air flow)	L/S	4

Product Detail

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The YT24 air-legged rock drill is a highly efficient lightweight rock drill suitable for downward or inclined drilling in medium-hard or hard (f=8 – 18) rock with a diameter of 34 – 42 mm and an effective drilling depth of up to 5 m.

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1. Basic Concept

The A20A is a high-performance hydraulic rock drill manufactured by Woserld, designed for hard rock drilling. As a core component of drilling rigs and excavator-converted drills, it delivers 20kW impact power for efficient penetration in tough formations, widely used in surface and underground mining, tunneling, and civil engineering projects.

2. Key Features

High Power Output: 20kW impact power, 42–50Hz impact frequency for rapid rock breaking.
Drilling Range: Hole diameter 76–102mm; compatible with T38/T45/T51 shank adapters.
Robust Build: 190kg weight, heavy-duty alloy steel construction with dual-damping system.
Optimized Dimensions: 1110×318×223mm, 88mm center height for easy installation.
Advanced Lubrication: Mist lubrication system extends service life and reduces wear.

3. Applications

Open-pit Mining: Blast hole drilling, grade control, and quarrying operations.
Underground Mining: Ore body delineation, tunneling, and development drilling.
Civil Engineering: Railway/road tunneling, foundation investigation, and anchor hole drilling.

4. Main Advantages

Superior Drilling Efficiency: High impact energy enables fast penetration even in hard rock, boosting productivity.
Durability & Reliability: Dual-damping system protects internal parts; maintenance intervals up to 800 impact hours.
Cost-Effective: Reduces manual labor and downtime; compatible with standard drill rods for easy integration.
Versatility: Adaptable to multiple rigs and formations, ideal for diverse mining and construction scenarios

项目（Item）	单位（Unit）	技术参数值（Technical data）
结构参数(Structure)
外形尺寸（含钎尾） Overall dimension ( include shank )	mm	1088x318x235
重量(Weight)	Kg	180
中心高(Center height)	mm	88
钎尾(Shank)	-	T45/T51
凿孔直径(Hole dia.)	mm	76-102
冲击性能参数(Impact functions)
最大冲击功率(Max.impact power)	KW	20
进油压力(Oil inlet pressure)	Bar	230
冲击频率(Impact frequency)	Hz	42-50
流量(Flow)	L/min	90
冲击能(Impact energy)	J	400
回转性能参数(Rotation functions)
排量(Displacement)	CC	250
转速范围(Rotation speed)	Rpm	0-135
最大扭矩(Max.torque)	Nm	1550
进油压力(Oil inlet pressure)	Bar	200
流量(Flow)	L/min	75
其他参数（Others）
水压(Water pressure)	Bar	25
水流量(Water flow)	L/min	55-120
润滑气雾压力(Air lubrication pressure)	Bar	3
润滑气对应流量(lubrication air flow)	L/S	5

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1. Basic Concept

The Woserld A18D+ is a heavy-duty, jumbo-mounted hydraulic rock drill engineered for underground drifting and medium-long hole drilling. As an upgraded version of the A18D/L, it delivers a maximum impact power of 18 kW, optimized for high productivity in tough rock conditions (F10–F16). It is not handheld and must be installed on drill jumbos for mechanized operations.

2. Key Features

Power & Drilling Range: Impact power 18 kW; hole diameter 38–64 mm, depth up to 20 m.
High-Frequency Performance: 55–65 Hz impact frequency, 210–230 bar working pressure for hard rock penetration.
Upgraded Dual Buffer System: Reduces consumable wear by 30% and minimizes vibration for smoother operation.
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3. Applications

Underground Mining: Drifting, tunneling, and medium-long hole blasting in non-coal mines (iron, copper, gold).
Tunneling Projects: Face drilling, bolt holes, and support hole drilling in highway/railway tunnels.
Hard Rock Excavation: Ideal for high-hardness rock (F10–F16) in underground construction.

4. Main Advantages

High Efficiency: Drilling speed up to 2 m/min (F≤10) and 1.6 m/min (F10–F16).
Enhanced Durability: Upgraded buffer and lubrication systems cut maintenance costs.
Cost-Effective: 5-year warranty, low consumable replacement frequency.
Easy Integration: Compatible with most standard drill jumbos for direct replacement.

项目（Item）	单位（Unit）	技术参数值（Technical data）
结构参数(Structure)
外形尺寸（含钎尾） Overall dimension ( include shank )	mm	1008x251x223
重量(Weight)	Kg	175
中心高(Center height)	mm	88
钎尾(Shank)	-	T38
凿孔直径(Hole dia.)	mm	38-64
冲击性能参数(Impact functions)
最大冲击功率(Max.impact power)	KW	18
进油压力(Oil inlet pressure)	Bar	230
冲击频率(Impact frequency)	Hz	60
流量(Flow)	L/min	75-92
冲击能(Impact energy)	J	300
回转性能参数(Rotation functions)
排量(Displacement)	CC	160
转速范围(Rotation speed)	Rpm	0-215
最大扭矩(Max.torque)	Nm	1000
进油压力(Oil inlet pressure)	Bar	210
流量(Flow)	L/min	75
其他参数（Others）
水压(Water pressure)	Bar	25
水流量(Water flow)	L/min	55-120
润滑气雾压力(Air lubrication pressure)	Bar	2
润滑气对应流量(lubrication air flow)	L/S	5

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YT28 Air-leg Rock Drill

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Grouped control mechanism, quick to start up with"air-on, water-on, air-off" mechanism easy handle and maintain.

Low noise, small vibration, energy-saving and efficient, highly interchangeable parts with long service life reliable performance.

Different form similar products particularly in its high efficiency, strong flushing and powerful torque

Applications:

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