Gedore 6400690 Open-End Spanner

The Gedore 6400690 open end wrench is designed for very heavy-duty work and conforms to DIN 133 where applicable. It is made from chrome-vanadium steel 31CrV3 for lengths up to 500 mm; sizes above 525 mm are manufactured from C35 steel. Special sizes are available on request. The tool weighs approximately 1.26 kg and is intended for reliable, precise fastening in demanding environments.

Advantages

Manufactured from high-strength steels (31CrV3 or C35 depending on length) to ensure durability under heavy loads. Conforms to DIN 133 for standard sizes, providing consistent geometry and fit. Available in special sizes on request to suit non-standard applications. Solid construction and proven materials provide long service life in professional use.

Suitable for

Key specifications

How to use

Select the correct wrench size for the fastener, position the open jaws squarely on the nut or bolt head, and apply steady force without sudden jerks. Ensure correct orientation to avoid slipping and damage to the fastener. For long lengths or increased leverage, support the tool properly and avoid exceeding recommended torque for the fastener and assembly. If a special size is required, request the appropriate version from the supplier.

Recommendations

Use the Gedore 6400690 open end wrench for tasks that require high strength and precise fit; inspect the tool regularly for wear or deformation and replace it if edges become rounded to maintain safe operation.