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BAHCO 4040M-20-22 knee spanner with Dynamic-Drive profile, chrome-plated, length 305 mm, 20 mm x 22 mm

Supplier number: BAHCO 4040M-20-22 | EAN 7314151078331
Recommended Retail Price €87.18
46.20 tax incl.
€38.18 excl. VAT (incl. all environmental contributions)
On order: delivered from 10/10/2026

Flexible access with the Bahco wrench

Practical benefits
  • Reach fasteners in tight spots: The 180° swivelling heads let you access bolts in confined or awkward spaces without straining your hands.
  • Protection for your fasteners: The Dynamic-Drive profile grips fasteners evenly across the flats, helping you avoid rounded edges and premature wear.
  • Durable alloy steel finish: High-performance alloy steel with a micro-matte chrome finish protects you against corrosion and withstands demanding daily use.

In a nutshell

The right choise for

With the Bahco 4040m-20-22 flex-head socket wrench, you can effortlessly reach fasteners in confined and awkward spaces. Thanks to the 180° swivelling heads, you navigate easily around obstacles in cramped engine bays or behind piping. This double-ended wrench combines 20 mm and 22 mm socket sizes with an overall length of 305 mm, giving you the leverage needed for demanding mechanical tasks. The 12-point Dynamic-Drive profile grips fasteners evenly across the flats to prevent rounding and reduce wear. Crafted from high-performance alloy steel with a micro-matte chrome finish, it delivers dependable durability and corrosion resistance for daily professional use.



€46.20
tax incl.

Product information

Key features according to our expert

  • Width across flats 1: 20 mm
  • Width across flats 2: 22 mm
  • Key type: Socket wrench
  • Length: 306 mm

Product description:

  • Double ended flex-head wrenches with double hexagon sockets in metric sizes
  • Material: High performance alloy steel
  • Chrome plated Micro Matt finishing provides high quality surface
  • 12 points Dynamic-Drive Profile provides longer life for screws and nuts
  • Both heads 180º swivelling. New design of the sockets for better accessibility
  • Retail packed on a plastic card

All Features

Width across flats 1
20 mm
Width across flats 2
22 mm
Key type
Socket wrench
Length
306 mm
Width head 2 mm (d2)
29,1 mm
Width head 1 mm (d1)
26,6 mm
Length mm (l)
305 mm
Weight g
403 g
Size mm
20x22 mm

Frequently asked questions about this product

Answered by specialists
Which socket sizes are included on this swivel head wrench?
This wrench combines two socket sizes: 20 mm on one end and 22 mm on the other.
How far do the heads pivot?
Both heads swivel 180° to provide easy access in confined spaces.
What is the benefit of the Dynamic-Drive profile?
The 12-point Dynamic-Drive profile grips the flats of fasteners to reduce wear and prevent rounding.
What is the overall length of this wrench?
The overall length of this wrench is 305 mm.
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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