WERA 7770 socket spanner 9x12 mm, 8 x 39 mm - 05078601001

Name: WERA 7770 socket spanner 9x12 mm, 8 x 39 mm - 05078601001
Brand: WERA
SKU: 03229767
Price: 27.8 EUR
Availability: PreOrder

Supplier number: WERA 05078601001 | EAN 4013288196095

Recommended Retail Price €58.75

27.80 tax incl.

€22.97 excl. VAT (incl. all environmental contributions)

On order: delivered from 14/10/2026

Ordered before 20:00 - delivered as of 14/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Controlled fastening with Wera

Practical benefits

Secure connection for torque: You attach this insert tool seamlessly to wrenches with a 9X12 mm mount for accurate torque tightening.
Durable chrome-vanadium build: The forged steel body with matte finish ensures you handle high-load fastening tasks with lasting durability.
Reliable safety pin lock: The integrated locking pin keeps the 8 mm open-ended insert firmly attached while you work.

In a nutshell

The right choise for

With the Wera 7770 open-end insert, you achieve precise torque-controlled fastening on 8 mm hex bolts and nuts, even in confined spots or on pipe unions and hydraulic lines where sockets cannot fit. Designed for torque wrenches with a 9X12 mm rectangular mount, such as the Wera Click-Torque X series, it enables quick setup and accurate torque transfer. The integrated safety pin lock keeps the insert firmly secured while you work. Forged from durable chrome-vanadium steel with a matt chrome-plated finish, it delivers lasting performance under heavy workshop loads.

Product information FAQ

€27.80

tax incl.

Key features according to our expert

Width across flats: 8 mm
Connection size (wrench): 9 x 12 mm
Connection type (wrench): External rectangle

Scope of delivery

7770 Open end insert, 9x12 mm, 9x12 x 8 x 39.5 mm

Product description

Open end insert, for hexagon screw heads or nuts; for torque wrenches of the Click-Torque X series with 9x12 mm holder.

Square head insert tool 9x12 mm
For torque wrenches from the Click-Torque X series with 9x12 mm mounting
Application: Hexagon screw heads or nuts
With safety pin
The chrome-vanadium steel version makes the plug-in tools suitable for heavy loads

Application

Hexagon screw heads or nuts

Drive

9x12 mm; for torque wrenches of the Click-Torque X and XP series with 9x12 mm holder

Design

Forged, chrome vanadium steel, matt chrome plated; with safety pin

Features and benefits

For torque wrenches from the Click-Torque X series with 9x12 mm mounting.
The insert tools are suitable for high loads thanks to their chrome-vanadium steel design.
Safe working and rapid tool change thanks to the pin lock of the insert tools.

All Features

Width across flats: 8 mm
Connection size (wrench): 9 x 12 mm
Connection type (wrench): External rectangle

Brand WERA
03229767
EAN 4013288196095
Supplier number WERA 05078601001

Frequently asked questions about this product

Answered by specialists

Which torque wrenches are compatible with this insert tool?: This open-end insert fits torque wrenches with a 9x12 mm rectangular mount, such as the Wera Click-Torque X series.
What fastener size is this insert designed for?: The tool has an 8 mm wrench size for tightening hexagon screw heads and nuts.
How is the insert secured into the torque wrench?: It locks firmly into place using an integrated safety pin mechanism.
What material is this insert tool made of?: It is forged from chrome-vanadium steel with a matt chrome-plated finish.