What is the Bahco 7772 adaptor used for?

This adaptor allows you to connect 1/2" sockets to 3/8" drive ratchets and handles.

What are the drive sizes on this adaptor?

It features a 3/8" female square drive on the input side and a 1/2" male square on the output.

What is the total length of this adaptor?

The total length of the Bahco 7772 is 33 mm.

Is this adaptor suitable for impact wrenches?

No, it is designed for manual hand tools like ratchets, not for power impact tools.

BAHCO 7772 reducer from 3/8" to 1/2"

Name: BAHCO 7772 reducer from 3/8" to 1/2"
Brand: BAHCO
SKU: 03343069
Price: 12.6 EUR
Availability: InStock

Supplier number: BAHCO 7772 | EAN 07314150539918

Recommended Retail Price €25.40

12.60 tax incl.

€10.41 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered as of 05/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Lifetime warranty on Bahco? Or limited in time? Read more about it here.

✆ Talk to a specialist

Flexible drive adaptation for sockets

Practical benefits

Seamless drive size conversion: The Bahco 7772 lets you easily attach 1/2" drive sockets directly to your 3/8" ratchet.
Compact design for access: A short 33MM overall length gives you excellent clearance when working inside restricted spaces.
Durable alloy steel construction: Highly polished alloy steel provides long-term resistance against wear and heavy everyday mechanical loads.

In a nutshell

The right choise for

The Bahco 7772 adaptor lets you easily connect 1/2" sockets directly to your standard 3/8" ratchet. This eliminates the need for duplicate socket sets and gives you maximum flexibility during maintenance and assembly jobs. With a compact total length of 33 mm, you can easily access tight fasteners in restricted spaces with minimal play. Crafted from high-performance alloy steel with a highly polished finish, this manual adaptor delivers dependable wear resistance and stands up to demanding everyday mechanical loads.

Product information FAQ

€12.60

In stock - tax incl.

Key features according to our expert

Connection size 1: 3/8"
Connection size 2: 1/2"
Connection type 1 (adapter): Internal square
Connection type 2 (adapter): External square

Product description

Highly polished finish
High-alloy quality steel
Suitable for 3/4" drive square and 1/2" sockets
Standards: Conforms to: ISO 1174, DIN 3120/3123 and UNE 16503

All Features

Connection size 1: 3/8"
Connection size 2: 1/2"
Connection type 1 (adapter): Internal square
Connection type 2 (adapter): External square

Brand BAHCO
03343069
EAN 07314150539918
Supplier number BAHCO 7772
Warranty Lifetime warranty on Bahco? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

What is the Bahco 7772 adaptor used for?: This adaptor allows you to connect 1/2" sockets to 3/8" drive ratchets and handles.
What are the drive sizes on this adaptor?: It features a 3/8" female square drive on the input side and a 1/2" male square on the output.
What is the total length of this adaptor?: The total length of the Bahco 7772 is 33 mm.
Is this adaptor suitable for impact wrenches?: No, it is designed for manual hand tools like ratchets, not for power impact tools.
What material is the Bahco 7772 made from?: It is manufactured from high-performance alloy steel with a highly polished finish.