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wera_05042672001
wera_05042672001
wera_05042672001
wera_05042672001
WERA

WERA 781 B/A adapter 27mm 3/8" inside square to 1/4" outside square - 05042672001

Recommended Retail Price €19.95
9.40 tax incl.
€7.77 excl. VAT (incl. all environmental contributions)
On order: delivered from 27/05/2026
each

  • Ordered before 20:00 - delivered as of 27/05/2026
  • Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
  • Delivery by DHL

Scope of delivery

  • 781 B 3/8" Connection parts, 781 B/A x 1/4 x 27 mm x 3/8"

Product description

Connection part 3/8" square head socket to 1/4" 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.

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

Application

  • For 1/4" 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

  • 3/8" 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.
Key features according to our expert
  • Connection size 1: 1/4"
  • Connection size 2: 3/8"
  • Connection type 1 (adapter): Outer square
  • Connection type 2 (adapter): Inner square
Specifications / All features
  • Brand: WERA
  • EAN: 4013288221247
  • Supplier number: WERA 05042672001
Connection size 1
1/4"
Connection size 2
3/8"
Connection type 1 (adapter)
Outer square
Connection type 2 (adapter)
Inner square
Blade length (inches)
1 1/16" inch
Blade length
27.0 mm
Mounting size
1/4" inch
Mounting size on the tool side
3/8" inch
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