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wera_05042671001
wera_05042671001

WERA 781 A/C adapter 36mm 1/4" inside square to 1/2" outside square - 05042671001

Supplier number: WERA 05042671001 | EAN 4013288221209
Recommended Retail Price €24.37
11.95 tax incl.
€9.88 excl. VAT (incl. all environmental contributions)
On stock - immediately available | we have 6 products in stock.

  • Ordered before 20:00 - delivered tomorrow 30/09/2026
  • Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
  • Delivery by DHL
  • Delivered from Belgium

Greater versatility with Wera

Practical benefits
  • Easy socket size conversion: You effortlessly connect 1/2" sockets to your 1/4" drive ratchet using this compact 36 mm adapter.
  • Secure ball stop lock: The integrated ball stop groove firmly retains sockets in place, ensuring you work safely without slipping.
  • Durable chrome vanadium build: Engineered from tough chrome-vanadium steel, it withstands high torque loads so you can tackle demanding tasks reliably.

In a nutshell

The right choise for

Expand your tool versatility with the Wera 781 A/C adapter. This compact 36 mm adapter connects a 1/4" square head socket drive to 1/2" square drive sockets, allowing you to operate larger sockets with a compact ratchet in confined spaces. This eliminates the need to carry duplicate socket sets across different drive sizes. The integrated ball stop groove firmly locks attached sockets in place for safe and controlled fastening during manual or non-impact machine use. Crafted from durable chrome-vanadium steel, it provides dependable load capacity for demanding mechanical tasks.



€11.95
In stock - tax incl.

Product information

Key features according to our expert

  • Connection size 1: 1/2"
  • Connection size 2: 1/4"
  • Connection type 1 (adapter): External square
  • Connection type 2 (adapter): Internal square

Scope of delivery

  • 781 A 1/4" Connection parts, 781 A/C x 1/2 x 36 mm x 1/4"

Product description

Connection part 1/4" square head socket to 1/2" external square head. For manual and machine-operated tools (non-impact), with ball stop groove to safely lock the socket, knurling at the rear end for manageability during manual use; chrome-vanadium, matte-chromed.

  • 1/4" to 1/2" connection part
  • With 1/4" square head socket drive
  • 1/2" external square
  • With secure socket fixing
  • Made of chrome-vanadium for high load capacity

Application

  • For 3/8" and 1/2" square head socket wrench inserts with ball lock

Design

  • For manual and machine-operated tools (non-impact), with ball stop groove, knurling at the rear end for manageability during manual use; chrome-vanadium, brushed chrome-plated finish

Drive

  • 1/4" socket square head

Features and benefits

  • The connection parts are suitable for high loads thanks to their chrome-vanadium steel design.
  • Knurling on lower end for more grip when used manually.

All Features

Connection size 1
1/2"
Connection size 2
1/4"
Connection type 1 (adapter)
External square
Connection type 2 (adapter)
Internal square
  • Brand WERA
  • EAN 4013288221209
  • Supplier number WERA 05042671001

Frequently asked questions about this product

Answered by specialists
What is the Wera 781 A/C adapter used for?
It connects 1/2" square sockets to ratchets or drivers with a 1/4" internal square drive.
Is this adapter suitable for use with impact wrenches?
No, it is designed for manual and non-impact machine use only.
What is the total length of this adapter?
The overall length of this adapter is exactly 36 mm.
Does the adapter securely hold attached sockets?
Yes, the ball stop groove ensures attached sockets lock firmly and securely in place.
What material is the adapter made of?
It is made of chrome-vanadium steel for high load capacity.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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