Atlas Copco ETD ST101-100-13-T25-F Corded Bar Wrench – Precision Torque Fastening for Industrial Assembly

The Atlas Copco ETD ST101-100-13-T25-F is a high‑performance corded electric bar wrench engineered for precision torque fastening in demanding industrial environments. As part of the ST series, this tool combines advanced motor control technology with robust mechanical construction to deliver consistent, repeatable tightening results. It is specifically designed for applications requiring accurate torque control, including automotive assembly, heavy equipment manufacturing, and aerospace production.

Overview of the ETD ST101-100-13-T25-F

The ETD ST101-100-13-T25-F is a corded electric bar wrench that provides reliable torque delivery for a wide range of bolting applications. Its compact and ergonomic design allows operators to work comfortably in confined spaces, while its powerful motor ensures efficient fastening even in high‑torque scenarios. The tool is compatible with Atlas Copco's Power Focus controllers, enabling full process monitoring, data logging, and quality assurance.

Technical Specifications

• Model: ETD ST101-100-13-T25-F

• Tool Type: Corded electric bar wrench

• Torque Range: 20 – 100 N·m

• Free Speed: 130 rpm

• Drive Size: 1/2 inch square drive

• Weight: 3.2 kg

• Length: 420 mm

• Power Supply: 36 VDC from controller

• Connection: PF4 tool cable

• Noise Level: < 75 dB(A)

• Vibration Emission: < 2.5 m/s²

• Protection Class: IP40

Design and Ergonomics

The ETD ST101-100-13-T25-F is designed with operator comfort and productivity in mind. Its lightweight composite housing reduces fatigue during prolonged use, while the balanced center of gravity ensures excellent maneuverability. The tool features a soft‑grip handle that minimizes vibration and provides a secure hold, even in oily or wet conditions. The bar wrench configuration allows for easy access to fasteners in tight spaces, making it ideal for applications where standard wrenches cannot reach.

Motor and Control Technology

At the heart of this corded bar wrench is a high‑efficiency brushless motor that delivers consistent power output with minimal heat generation. The motor is paired with advanced electronic controls that provide precise speed and torque regulation. The tool's closed‑loop control system continuously monitors motor current and speed, adjusting output in real time to compensate for variations in joint friction. This ensures that every fastening operation meets the specified torque and angle requirements.

Torque and Angle Accuracy

The ETD ST101-100-13-T25-F achieves torque accuracy of ±3% of the set value, meeting ISO 5393 and VDI/VDE 2645 standards. Its high‑resolution encoder provides precise angle measurement, enabling advanced tightening strategies such as angle control and yield detection. This level of accuracy is essential for critical applications where improper fastening can lead to product failure or safety issues.

Controller Compatibility and Connectivity

This corded bar wrench is fully compatible with Atlas Copco's Power Focus 4 and Focus 4000 controllers. Through the controller, operators can program up to 50 different tightening programs, each with specific torque, speed, and angle parameters. The tool provides real‑time feedback to the controller, ensuring that every joint is tightened within defined specifications. Communication with the controller is facilitated by the PF4 tool cable, which carries both power and data signals.

Application Areas

The ETD ST101-100-13-T25-F is widely deployed in:

• Automotive assembly – engine block, transmission, and suspension fastening

• Heavy machinery manufacturing – structural bolting of frames and housings

• Aerospace production – precision fastening of critical components

• Railway maintenance – bolting of track and rolling stock assemblies

• Wind energy – turbine assembly and maintenance

Durability and Maintenance

The ETD ST101-100-13-T25-F is built to withstand the rigors of continuous industrial use. Its brushless motor eliminates the need for regular brush changes, while the sealed gear train reduces lubrication intervals. The tool housing is constructed from impact‑resistant materials with metal inserts at wear points. Routine maintenance consists of periodic cleaning and lubrication of the gearbox every 500 operating hours.

Safety and Compliance

This corded bar wrench complies with all relevant CE and UL safety standards. It features a two‑stage start trigger to prevent accidental activation, and the controller includes emergency stop and overload protection functions. The tool's low vibration and noise levels contribute to a safer and more comfortable working environment.

Conclusion

The Atlas Copco ETD ST101-100-13-T25-F corded bar wrench is a premium tool that delivers exceptional precision, durability, and connectivity for modern assembly operations. Its advanced motor control, ergonomic design, and compatibility with Power Focus controllers make it an ideal choice for manufacturers seeking to enhance product quality and operational efficiency.