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The ZQSZ-140/4.1 frame-supported pneumatic handheld drill features large torque, reversible rotation, portability, simple structure, and easy maintenance. This series of drills is suitable for drilling operations for water exploration (drainage) and gas in rock and coal seams, and can also be used for tasks such as bolt support in coal and semi-coal roadway sidewalls, blast hole drilling, and bolt installation.
According to user needs, it can easily achieve three usage modes: handheld, leg-supported, and frame-supported, making it one machine with three uses.
This machine is a high-torque handheld drill permitted by national industry standards, serving as a lightweight drill for short-range probing in coal mines.
This machine features forward and reverse rotation functions, allowing convenient drilling in and retracting of drill rods and bits.
Special materials and manufacturing processes ensure a trouble-free working time of over 6 months.
Ready to use upon installation, convenient and flexible, with a unique control mechanism for easy operation, combining support and propulsion into one.
| Overall
Performance Parameters |
Basic Performance Parameters | Unit | ZQSZ-140/4.1 |
| Working Pressure | MPa | 0.5 | |
| Rated Torque | N·m | 140 | |
| Rated Reverse Torque | N·m | 140 | |
| Rated Rotation Speed | r/min | 280 | |
| Maximum Output Power | kW | 4.1 | |
| Maximum Load Torque | N·m | 220 | |
| Stall Torque | N·m | 240 | |
| Starting Torque | N·m | 230 | |
| Air Consumption | m³/min | 5 | |
| No-load Rotation Speed | r/min | 610 | |
| Torque at 1/2 No-load Rotation Speed | N·m | 305 | |
| Noise | dB(A) | 110 | |
| Machine Weight | kg | 19 | |
| Drill Shank Size | mm | 18 Square / 24 Square |
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