Wiha ESD Torque Screwdriver TorqueVario-S 0.4 - 1 Nm DIN EN 61340-5-1, DIN EN ISO 6789, DIN EN 26789 (26629)

Precision fastening in ESD-protected environments demands a tool that prevents both over-tightening and electrostatic discharge. The Wiha TorqueVario-S torque screwdriver delivers controlled torque from 0.4 to 1.0 Nm with ±6% accuracy, ensuring sensitive electronic components are secured without damage. Its ESD-safe dissipative handle complies with DIN EN 61340-5-1, making it suitable for use in electronics manufacturing, laboratories, and service areas where static control is critical.

Who is it for

This torque screwdriver is intended for electronics technicians, precision mechanics, and ESD coordinators who need to apply exact torque to fasteners in static-sensitive environments. It is ideal for assembling or repairing circuit boards, hard drives, connectors, and other delicate equipment.

Main features

• Adjustable torque range from 0.4 to 1.0 Nm with clear scale markings in 0.05 Nm increments.
• Automatic release mechanism produces an audible and perceptible click when the set torque is reached, preventing over-tightening.
• ESD-safe handle made of dissipative plastic, compliant with DIN EN 61340-5-1.
• Compatible with 4 mm hex bits (Wiha System 4), allowing use with a wide range of bit types.
• Ergonomic multi-component handle for comfortable, fatigue-free operation.
• Factory calibrated to DIN EN ISO 6789 standards; recalibration recommended annually.

Specifications

• Torque range: 0.4 - 1.0 Nm
• Torque accuracy: ±6%
• Scale division: 0.05 Nm
• Bit holder: 4 mm hex
• Standards: DIN EN ISO 6789, DIN EN 61340-5-1
• Total length: 133 mm
• Handle diameter: 23 mm
• Material: high-quality steel, dissipative plastic handle
• Direction of torque: right-hand tightening

Tips

Always store the torque screwdriver at its lowest setting when not in use to maintain calibration accuracy. Use only Wiha System 4 bits to ensure proper fit and torque transfer. For critical applications, have the tool recalibrated annually or after heavy use.