Wera 7400 Chave de fendas dinamométrica de oficina 4 - 8,8 Nm

Precision torque screwdriver for controlled tightening in electrical installations, delivering an adjustable range of 4.0–8.8 Nm with ±6% accuracy. Its VDE-insulated design and audible click mechanism ensure safe, reliable fastening of terminal connections and components.

Advantages

Individually tested at 10,000 V for VDE insulation, this tool meets DIN EN ISO 6789-1:2017-07 and includes a calibration certificate. The multi-component Kraftform handle provides ergonomic comfort, while the easy-to-read analogue scale allows quick torque adjustment. An audible and tactile click signals when the set torque is reached, preventing overtightening and damage.

Suitable for

• Electrical installations and panel building
• Terminal blocks and circuit breakers
• Precision assembly of sensitive electronic components
• Maintenance tasks requiring repeatable torque values

Key specifications

• Torque range: 4.0 - 8.8 Nm
• Accuracy: ±6% of set value
• Drive: 6 mm hex for Wera VDE interchangeable blades
• Insulation: VDE, tested at 10,000 V
• Handle length: 155 mm, diameter: 35 mm
• Right-hand tightening only

Recommendations

Pair with Wera VDE interchangeable blades for a complete, safe torque solution in electrical work. The included calibration certificate ensures compliance with quality standards.