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New products 2025

Tool-Check Modular, Tool-Check PLUS, Tool-Check

Click-Torque Lock series - adjustable torque wrenches with Torque Lock function
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Wera Data Cockpit

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781 A 1/4" Connection parts

Square Recess

Square socket

Chrome vanadium steel

Chrome vanadium steel

The connection parts are suitable for high loads thanks to their chrome-vanadium steel design.

Knurling

Knurling

Knurling on lower end for more grip when used manually.

781 A 1/4

1/4" to 3/8" connection part
1/4" to 1/2" connection part
With 1/4" square head socket drive
3/8" external square
1/2" external square
With secure socket fixing
Made of chrome-vanadium for high load capacity

781 A 1/4

1/4" to 3/8" connection part
1/4" to 1/2" connection part
With 1/4" square head socket drive
3/8" external square
1/2" external square
With secure socket fixing
Made of chrome-vanadium for high load capacity

Chrome vanadium steel

Chrome vanadium steel

The connection parts are suitable for high loads thanks to their chrome-vanadium steel design.

Knurling

Knurling

Knurling on lower end for more grip when used manually.

781 A 1/4

1/4" to 3/8" connection part
1/4" to 1/2" connection part
With 1/4" square head socket drive
3/8" external square
1/2" external square
With secure socket fixing
Made of chrome-vanadium for high load capacity

781 A 1/4

1/4" to 3/8" connection part
1/4" to 1/2" connection part
With 1/4" square head socket drive
3/8" external square
1/2" external square
With secure socket fixing
Made of chrome-vanadium for high load capacity

781 A 1/4" Connection parts

05042670001

Article description

Connection part 1/4" square head socket to 3/8" or 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, dull chromed.

781 A 1/4" Connection parts

781 A 1/4" Connection parts

Chrome vanadium steel

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Remember

Code

art. no.

inch

mm

inch

inch

05042670001

781 A/B

3/8"

25.2

1"

1/4"


art. no.	inch	mm	inch	inch
781 A/B	3/8"	25.2	1"	1/4"

05042671001

781 A/C

1/2"

36.0

1 27/64"

1/4"


art. no.	inch	mm	inch	inch
781 A/C	1/2"	36.0	1 27/64"	1/4"

Learn more about this product

Datasheet

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