Tool Set Gedore R78900400

Gedore R78900400 adjustable torque wrench with square drive provides controlled screw tightening from 5 to 550 N·m. The tool delivers repetition-accurate, precision-like operation with a torque trigger that can be both heard and felt. Clockwise and anti-clockwise tightening is possible by switching the mushroom head or using the push-through square. The delivery includes a test certificate according to DIN EN ISO 6789 and operating instructions.

Advantages

This torque wrench combines an integrated ratchet-head function with a square drive and ratchet mechanism for versatile use. Torque is set by turning the handle and the selected value is fixed using the lock at the end of the handle. An easy-to-read scale with a magnifying glass shows N·m values and includes a 1/10 scale for precise setting. Working accuracy is ±3% tolerance of the scale set torque, ensuring reliable tightening results.

Suitable for

• Automotive maintenance and repair
• Industrial assembly and production
• Heavy machinery and equipment servicing
• Professional workshop use where controlled torque is required

Key specifications

• Model: Gedore R78900400
• Torque range: 5–550 N·m
• Drive type: square drive with ratchet mechanism
• Accuracy: ±3% of set torque
• Scale: N·m with magnifying glass and 1/10 precision scale
• Delivery: torque wrench with test certificate (DIN EN ISO 6789) and operating instructions

How to use

Set the required torque by turning the handle to align the desired value on the scale, using the magnifying glass for precise reading. Lock the set value by engaging the lock at the end of the handle. Select clockwise or anti-clockwise tightening by switching the mushroom head or using the push-through square, attach the appropriate socket to the square drive, and apply torque until the trigger is heard or felt to indicate the set torque has been reached.

Usage recommendations

Regularly verify calibration according to the intervals recommended in DIN EN ISO 6789 and follow the supplied test certificate and operating instructions to maintain accuracy and safe operation.