Torque wrench end fitting Wera 7781

The Wera 7781 torque wrench end fitting is an insert designed to fit hexagon screw heads and nuts and to work with Click-Torque X series torque wrenches using a 14×18 mm holder. Manufactured by Wera, it is made from durable materials with a silver finish that improves corrosion resistance. The fitting accepts a 30 mm hex key size and is intended to provide precise torque transfer for controlled tightening.

Advantages

The Wera 7781 offers a precise interface between fastener and Click-Torque X torque wrench, reducing play and ensuring accurate torque application. Its robust construction and corrosion-resistant finish extend service life under workshop conditions. The standardized dimensions (30 mm hex key, 14×18 mm holder compatibility) make it easy to integrate into existing tool sets.

Suitable for

• Applying controlled torque to hexagon screw heads and nuts
• Use with Click-Torque X series torque wrenches that accept a 14×18 mm holder
• Workshop maintenance and assembly tasks requiring repeatable torque values

Key specifications

• Brand: Wera
• Model / MPN: 05078701001
• EAN: 4013288196675
• Type: Torque wrench end fitting / ring spanner insert
• Compatible holder size: 14×18 mm
• Hex key size accepted: 30 mm
• Finish: Silver (corrosion-resistant)

How to use

Select the Wera 7781 insert and fit it into the 14×18 mm holder of a Click-Torque X series torque wrench until it seats securely. Place the 30 mm hex interface over the hexagon screw head or nut and apply torque using the wrench per the torque wrench instructions. Verify engagement before applying full torque to avoid slippage or rounding of fasteners.

Usage recommendations

Inspect the fitting for wear or damage before each use and keep contact surfaces clean. Use the Wera 7781 with torque settings and procedures recommended by the torque wrench manufacturer; avoid using the insert with incompatible holders or with impact tools.