Product Overview
The ZQSZ-90/2.4A frame-supported pneumatic hand-held drill rig is engineered with high torque output, reversible rotation, excellent portability, compact structure and easy maintenance. This series is designed for water exploration & drainage and gas drainage drilling operations in coal seams and rock formations. It is also ideal for anchor bolt supporting, blast hole drilling, and anchor bolt installation works in the side walls of coal roadways and semi-coal rock roadways.
Key Features
- Adopts an innovative noise reduction structure, creating a low-noise working environment for operators;
- Equipped with full forward and reverse rotation functions, for quick and effortless removal of drill rods and bits;
- A full range of matching drilling accessories is available for selection, to fully adapt to diverse on-site operational needs.
| Overall
Performance |
Basic Performance Parameters |
Unit |
ZQSZ-90 |
| Working Pressure |
MPa |
0.5 |
| Rated Torque |
N·m |
90 |
| Rated Rotation Speed |
r/min |
240 |
| Rated Output Power |
kW |
2.4 |
| Maximum Load Torque |
N·m |
120 |
| Stall Torque |
N·m |
140 |
| Starting Torque |
N·m |
125 |
| Air Consumption |
m³/min |
3.2 |
| Machine Weight |
kg |
18 |
| Drill Shank Size |
– |
18×18 (Square) |
13×13 (Square) |
24×24 (Square) |
| High-Efficiency Screw Diameter |
mm |
Φ69 (Standard) |
Φ42 (Standard) |
Φ69 (Standard) |
| High-Efficiency Drill Bit Diameter |
mm |
Φ76 |
Φ50 |
Φ89 |
