What size fasteners does this double open-end wrench fit?

This wrench features two jaw sizes: 8 mm on one end and 9 mm on the other.

What is the total length of the Bahco 6M-8-9?

The overall length of this wrench is 138 mm.

Is this wrench insulated for live electrical work?

No, this wrench is not VDE certified or insulated, making it unsuitable for live electrical work.

What finish does this wrench have?

It is made from high-performance alloy steel with a chrome-plated finish for corrosion resistance.

Is the Bahco 6M-8-9 non-sparking?

No, this model is not non-sparking.

BAHCO 6M-8-9 socket spanner chrome-plated 8 mm x 9 mm, length 138 mm

Name: BAHCO 6M-8-9 socket spanner chrome-plated 8 mm x 9 mm, length 138 mm
Brand: BAHCO
SKU: 41850007
Price: 7.54 EUR
Availability: InStock

Supplier number: BAHCO 6M-8-9 | EAN 7314151832070

7.54 tax incl.

€6.23 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

Ordered before 20:00 - delivered as of 06/10/2026
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

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Reliable fastening with Bahco

Practical benefits

Enhanced access in tight spots: You reach fasteners easily in confined spaces thanks to slim heads set at a 15° angle.
Comfortable hand grip design: The patented U-shaped shank reduces hand strain and fatigue during prolonged mechanical jobs.
Superior resistance to corrosion: The micro-matte chrome finish protects the high-performance alloy steel from daily wear and rust.

In a nutshell

The right choise for

With the Bahco 6m-8-9 double open-end wrench, you easily access and fasten nuts and bolts in confined spaces. Its slim heads set at a 15° angle slide smoothly onto 8 mm and 9 mm fasteners from the side, making it ideal when sockets or ring spanners cannot fit from above. The patented U-shaped shank provides a comfortable grip that reduces hand fatigue during demanding maintenance on bicycles, appliances, or precision mechanics. Crafted from high-performance alloy steel with a micro-matte chrome finish, this 138 mm wrench delivers durable corrosion protection and dependable control for your daily workshop and assembly jobs.

Product information FAQ

€7.54

In stock - tax incl.

Key features according to our expert

Width across flats 1: 8 mm
Length: 140 mm
Non-sparking: No
VDE approved: No
With safety colour code 1000V: Not applicable
Surface treatment: Chrome plated
Width across flats 2: 9 mm

Product description:

Double open end wrench in metric sizes
Standards: ISO 691, ISO 1085, ISO 10102 and ISO 3318
Material: High performance alloy steel
U shape shank provides better comfort
Open end angle 15º with a slimmer head for more accessibility
Large and one-directional size marking for easy identification
Chrome plated Micro Matt finishing provides high quality surface
Patented U shape design
SB = Retail pack on a plastic info card

All Features

Width across flats 1: 8 mm
Length: 140 mm
Non-sparking: No
Vde approved: No
With safety colour code 1000v: Not applicable
Surface treatment: Chrome plated
Width across flats 2: 9 mm
Thickness mm: 4.0 mm
Dimensions mm: 8x9 mm
Length mm (l): 138 mm
Second size width mm: 21,2 mm
First size width mm: 18,7 mm
Weight g: 28 g

Brand BAHCO
41850007
EAN 7314151832070
Supplier number BAHCO 6M-8-9
Warranty Lifetime warranty on Bahco? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

What size fasteners does this double open-end wrench fit?: This wrench features two jaw sizes: 8 mm on one end and 9 mm on the other.
What is the total length of the Bahco 6M-8-9?: The overall length of this wrench is 138 mm.
Is this wrench insulated for live electrical work?: No, this wrench is not VDE certified or insulated, making it unsuitable for live electrical work.
What finish does this wrench have?: It is made from high-performance alloy steel with a chrome-plated finish for corrosion resistance.
Is the Bahco 6M-8-9 non-sparking?: No, this model is not non-sparking.