Which ratchets are compatible with this socket?

It features a standard 1/2" square drive and fits any manual ratchet, breaker bar, or extension with a 1/2" drive.

Is this socket suitable for use with impact wrenches?

No, this socket is designed strictly for manual hand operation and is not suitable for power or impact tools.

What is the advantage of the bi-hex (12-point) profile?

The 12-point profile allows engagement every 30 degrees, making it faster to position over fasteners in tight spaces.

What is the total length of this socket?

This standard hand socket has an overall length of 38 mm.

Is this socket VDE-insulated or non-sparking?

No, this socket is neither VDE-insulated nor non-sparking.

BAHCO 7800DM-18 cap 1/2" hexagonal 18 mm

Name: BAHCO 7800DM-18 cap 1/2" hexagonal 18 mm
Brand: BAHCO
SKU: 41850895
Price: 13.03 EUR
Availability: PreOrder

Supplier number: BAHCO 7800DM-18 | EAN 7314151097158

13.03 tax incl.

€10.77 excl. VAT (incl. all environmental contributions)

On order: delivered from 09/10/2026

Ordered before 20:00 - delivered as of 09/10/2026
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

Dependable fastening with Bahco

Practical benefits

Maximum fastener flank protection: The Dynamic-Drive profile distributes torque across the sides, protecting you from rounding fasteners.
Fast finger pre-tightening: The knurled shank gives you secure grip to quickly spin free-running fixings with your fingers.
High performance alloy steel: Crafted from durable alloy steel with a polished finish, it provides you with long-lasting workshop reliability.

In a nutshell

The right choise for

With the Bahco 7800DM-18 hand socket, you can loosen and tighten 18 mm fasteners with confidence. The bi-hex (12-point) Dynamic-Drive profile engages every 30 degrees and distributes torque across fastener flanks, preventing rounding and damage in tight spaces around machinery or vehicle suspensions. Its knurled shank gives you a secure grip to quickly spin free-running fixings with your fingers before final torquing. Manufactured from durable high-performance alloy steel with an overall length of 38 mm, this standard socket fits any 1/2" manual ratchet or breaker bar to deliver reliable everyday performance.

Product information FAQ

€13.03

tax incl.

Key features according to our expert

Socket size: 18 mm
Connection size: 1/2"
Connection profile: Internal square
Length: 38 mm
VDE approved: No
With safety colour code 1000V: Not applicable
Non-sparking: No
Magnetic: No
Type of drive profile (socket): 12-point

Product description:

Standard length sockets, 1/2" square drive
Bi-hex profile, metric sizes
Not suitable for machine operation
High performance alloy steel
Highly polished finish
Knurled
ISO 2725/1174
DIN 3124/3120
SB = Retail packed on a plastic info card

All Features

Socket size: 18 mm
Connection size: 1/2"
Connection profile: Internal square
Length: 38 mm
Vde approved: No
With safety colour code 1000v: Not applicable
Non-sparking: No
Magnetic: No
Type of drive profile (socket): 12-point
Square drive width mm (d2): 23,5 mm
Size mm: 18 mm
Weight g: 76 g
Socket width inch (d1): 1 in
Length inch (l): 1 1/2 in
Double hexagon drive width inch (d2): 59/64 in
Socket width mm (d1): 25,4 mm
Weight oz oz: 2,7 oz
Length mm (l): 38 mm
Standard: ISO 2725/1174 / DIN 3124/3120
Depth ball-bearing mm (t): 13,5 mm

Brand BAHCO
41850895
EAN 7314151097158
Supplier number BAHCO 7800DM-18
Warranty Lifetime warranty on Bahco? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

Which ratchets are compatible with this socket?: It features a standard 1/2" square drive and fits any manual ratchet, breaker bar, or extension with a 1/2" drive.
Is this socket suitable for use with impact wrenches?: No, this socket is designed strictly for manual hand operation and is not suitable for power or impact tools.
What is the advantage of the bi-hex (12-point) profile?: The 12-point profile allows engagement every 30 degrees, making it faster to position over fasteners in tight spaces.
What is the total length of this socket?: This standard hand socket has an overall length of 38 mm.
Is this socket VDE-insulated or non-sparking?: No, this socket is neither VDE-insulated nor non-sparking.