BAHCO 8172 reducer 3/4" to 1/2"

Name: BAHCO 8172 reducer 3/4" to 1/2"
Brand: BAHCO
SKU: 03094649
Price: 17.2 EUR
Availability: PreOrder

Supplier number: BAHCO 8172 | EAN 7314150469321

Recommended Retail Price €32.57

17.20 tax incl.

€14.21 excl. VAT (incl. all environmental contributions)

On order: delivered from 08/10/2026

Ordered before 20:00 - delivered as of 08/10/2026
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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Greater versatility for socket sets

Practical benefits

Easy drive size conversion: The Bahco 8172 allows you to fit 3/4" sockets onto a 1/2" square drive smoothly.
High performance alloy steel: Premium alloy construction ensures reliable torque transfer and withstands demanding daily workshop use.
Compact 45mm overall length: The short profile helps you access fasteners easily in confined workspaces.

In a nutshell

The right choise for

Expand your workshop capabilities instantly with the Bahco 8172 socket adaptor. This versatile tool allows you to connect 3/4" drive sockets directly to a 1/2" square drive ratchet or breaker bar. It lets you tackle demanding mechanical assembly and maintenance jobs without investing in duplicate drive tools. Crafted from high-performance alloy steel with a highly polished finish, it delivers reliable torque transfer and long-lasting durability under demanding conditions. With its compact overall length of 45 mm, you can easily access and fasten components in confined spaces.

Product information FAQ

€17.20

tax incl.

Key features according to our expert

Connection size 1: 1/2"
Connection size 2: 3/4"

Product description:

Adapter 1/2"-3/4"

Features:

Adapter for 1/2" drive square and 3/4" sockets
High-alloy quality steel
Highly polished
ISO 1174
DIN 3120 / 3123 ; UNE 16503

All Features

Connection size 1: 1/2"
Connection size 2: 3/4"
Norm: ISO 2725/1174 / DIN 3124/3120
Female square drive: 1/2"
Length inch: 1 3/4 in
Weight oz oz: 5 oz
Square drive: 3/4"
Total length mm: 45 mm
Socket width mm (a): 23,6 mm
Weight g: 140 g

Brand BAHCO
03094649
EAN 7314150469321
Supplier number BAHCO 8172
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 the purpose of this adaptor?: It allows you to use 3/4" drive sockets with a 1/2" square drive ratchet or bar.
What is the overall length of the adaptor?: The total length is 45 mm.
Is this adaptor suitable for impact wrenches?: No, this adaptor is designed for manual hand tool use only.
What material is the Bahco 8172 made from?: It is crafted from high-performance alloy steel with a highly polished finish.
Which standards does this adaptor comply with?: It complies with ISO 1174, DIN 3120, DIN 3123, and UNE 16503 standards.