What is this non-sparking socket used for?

You use this socket in potentially explosive environments where standard steel tools could generate dangerous sparks.

Which drive size does this socket fit?

The socket has a 1/2" female square drive and fits any standard 1/2" ratchet or torque wrench.

What material is the Bahco NSB220-17 made of?

It is manufactured from copper beryllium, which is non-sparking, non-magnetic, and highly resistant to corrosion.

Is this socket suitable for live electrical work?

No, this socket is not VDE-approved and does not provide electrical insulation.

What are the size and length of this socket?

The socket features a 17 mm hex profile and has an overall length of 41 mm.

BAHCO NSB220-17 cap 1/2" hexagonal non-sparking copper beryllium 17 mm

Name: BAHCO NSB220-17 cap 1/2" hexagonal non-sparking copper beryllium 17 mm
Brand: BAHCO
SKU: 03157082
Price: 94.8 EUR
Availability: PreOrder

Supplier number: BAHCO NSB220-17 | EAN 7314150354139

Recommended Retail Price €155.26

94.80 tax incl.

€78.35 excl. VAT (incl. all environmental contributions)

On order: delivered from 12/10/2026

Ordered before 20:00 - delivered as of 12/10/2026
Shipping costs €6.99 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

Safe fastening in hazardous environments

Practical benefits

Spark-free copper beryllium construction: This Bahco socket ensures you work safely in potentially explosive areas where standard steel tools can create ignition hazards.
Precise hexagonal profile: The 17 mm 6K profile grips fasteners firmly, preventing rounded bolt corners during manual tightening or loosening tasks.
Standard square drive: Equipped with a 1/2" internal square drive, you can attach it seamlessly to standard ratchets and extension bars.

In a nutshell

The right choise for

With the Bahco NSB220-17 socket, you carry out fastening tasks safely in potentially explosive environments. Made from non-sparking and non-magnetic copper beryllium, it eliminates ignition risks during maintenance in chemical plants, refineries, and gas utilities. The 17 MM 6K hex profile grips fasteners securely, giving you optimal torque transfer without rounding bolt corners. Featuring a standard 1/2" female square drive and a compact 41 MM length, this socket connects smoothly to your ratchets and torque wrenches for reliable, controlled fastening.

Product information FAQ

€94.80

tax incl.

Key features according to our expert

Socket size: 17 mm
Connection size: 1/2"
Connection profile: Internal square
Length: 41 mm
VDE approved: No
With safety colour code 1000V: Not applicable
Non-sparking: Yes
Magnetic: No
Type of drive profile (socket): Hexagonal

Product description:

Spark-free 1/2" caps with metric hexagonal profile copper beryllium

Features:

Manufactured from copper beryllium
Sockets of standard length, 1/2" drive square
Hexagonal profile, metric sizes
Manufactured in accordance with ISO 2725/1174
Spark-free tool designed for use in explosive environments, where 'traditional' steel tools can cause sparks
Antimagnetic and highly corrosion-resistant

All Features

Socket size: 17 mm
Connection size: 1/2"
Connection profile: Internal square
Length: 41 mm
Vde approved: No
With safety colour code 1000v: Not applicable
Non-sparking: Yes
Magnetic: No
Type of drive profile (socket): Hexagonal
Square drive width mm (d2): 25 mm
Size mm: 17 mm
Weight g: 90 g
Total length mm: 41 mm
Socket width mm (d1): 25 mm
Length mm (l): 41 mm
Depth ball-bearing mm (t): 18 mm

Brand BAHCO
03157082
EAN 7314150354139
Supplier number BAHCO NSB220-17
Warranty Lifetime warranty on Bahco? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

What is this non-sparking socket used for?: You use this socket in potentially explosive environments where standard steel tools could generate dangerous sparks.
Which drive size does this socket fit?: The socket has a 1/2" female square drive and fits any standard 1/2" ratchet or torque wrench.
What material is the Bahco NSB220-17 made of?: It is manufactured from copper beryllium, which is non-sparking, non-magnetic, and highly resistant to corrosion.
Is this socket suitable for live electrical work?: No, this socket is not VDE-approved and does not provide electrical insulation.
What are the size and length of this socket?: The socket features a 17 mm hex profile and has an overall length of 41 mm.