OnRobot Screwdriver

The OnRobot Screwdriver is a complete electric screwdriving tool for robot arms. It tightens with programmable torque from 0.15 to 5 Nm and supports metric screws from M1.6 to M6 with lengths up to 50 mm, plus imperial and self-tapping screws with the matching bit system. Screw length and target torque are set in the robot interface.

An embedded 55 mm electric axis retracts and drives the screw once the robot has reached the fastening position, which reduces robot movement and keeps programming simpler. The tool can check whether a screw was picked, whether its length matches the setup and whether tightening completed correctly. Screws up to 35 mm thread length can stay retracted inside the tool while the robot moves, and an automatic safety stop reacts if excessive axial force is detected.

The tool is ESD safe and rated IP54. Screws can be supplied from an OnRobot Screw Feeder (separate articles). Bit sets, bit extenders (50 and 100 mm) and screw-specific spare part kits are separate OnRobot accessories, so check the supported-screws tables in the datasheet for the bit system your screw needs.

Typical applications

• General assembly with different screw sizes and lengths
• Electronics assembly with ESD-safe, torque-controlled fastening
• High-mix lines that need fast changeovers between screw setups