Wera 7431 Adjustable Torque Screwdriver 0.3-1.0 Nm with Rapidaptor Quick-Release Chuck

For electronics technicians and precision mechanics who need repeatable, controlled tightening of small fasteners, the Wera 7431 torque screwdriver delivers a clearly audible and tactile click when the set torque is reached. Its continuously adjustable range from 0.3 to 1.0 Nm (30–100 Ncm) covers delicate applications where overtightening is not an option.

Key specifications

• Torque range: 0.3–1.0 Nm (30–100 Ncm)
• Accuracy: ±6% according to EN ISO 6789
• Drive: 1/4" hexagon with Rapidaptor quick-release chuck
• Adjustment: continuously adjustable, right-hand tightening
• Handle: multi-component Kraftform for ergonomic grip
• Overall length: 155 mm
• Individually tested with traceable certificate

Why choose it

The Rapidaptor chuck allows fast, one-handed bit changes and holds bits securely. The Kraftform handle reduces hand fatigue during repetitive work. Each tool is individually tested and supplied with a traceable certificate, giving you confidence in its accuracy.

Ideal use cases

• Assembling and repairing electronic devices
• Precision mechanical work where torque limits are critical
• Production environments requiring documented torque control

Good to know

The screwdriver is designed for right-hand tightening only. It complies with DIN EN ISO 6789-1:2017-07. No bits are included; use standard 1/4" hex bits.