Product Overview ASG BTL-04B-ESD 4MM Electric Screwdriver
The ASG BTL-04B-ESD 4MM Electric Screwdriver is a compact, high-precision brushless electric screwdriver from ASG Jergens, designed for low-torque fastening where ESD protection and repeatable torque accuracy are essential. Its lightweight inline body and brushless motor deliver stable torque output, long service life and low maintenance.
The ESD-safe construction minimizes electrostatic discharge risk, making the BTL-04B-ESD ideal for electronics assembly, PCB production and semiconductor manufacturing. An auto shut-off clutch prevents over-tightening once the preset torque is reached.
Key Features
- Brushless Motor Technology: high efficiency and long life with no carbon dust.
- ESD-Safe Design: protects sensitive electronic components from electrostatic discharge.
- Auto Shut-Off Clutch: stops rotation automatically when the preset torque is reached.
- Adjustable Speed Control: optimize fastening speed for different assembly tasks.
- Compact Inline Body: lightweight, ergonomic design for continuous use.
- Low Maintenance: brushless motor reduces wear and service costs.
Technical Specifications
| Model | BTL-04B-ESD |
| Manufacturer | ASG Jergens |
| Motor Type | Brushless |
| Body Style | Inline |
| Clutch Type | Auto Shut-Off |
| Drive Type | 4 mm |
| ESD Safe | Yes |
Applications
- SMT and PCB assembly
- Semiconductor manufacturing
- Consumer electronics production
- Medical device assembly
- ESD-sensitive precision fastening
For detailed technical specifications, configuration options and a quotation, please contact the SMT Mall team.

