What is the main purpose of this adaptor?

It converts a 1/4" hex reception into a 3/8" square drive, allowing you to fit standard 3/8" sockets.

Is this adaptor rated for impact drivers?

Yes, the Shockwave Impact Duty build is engineered specifically for impact drivers and drill drivers.

Can I use this adaptor on a high-torque impact wrench?

No, it is meant for 1/4" hex impact drivers and drill drivers, tested up to a maximum torque of 226 Nm.

What is the overall length of this adaptor?

The total length is 50 mm, providing good access in narrow work areas.

How are sockets held securely on the drive square?

The 3/8" square features a detent ball that holds sockets firmly during fastening.

MILWAUKEE 4932478054 SHOCKWAVE Impact Duty cap adapter 1/4" hexagon to 3/8" drive square

Name: MILWAUKEE 4932478054 SHOCKWAVE Impact Duty cap adapter 1/4" hexagon to 3/8" drive square
Brand: MILWAUKEE
SKU: 08069194
Price: 6.84 EUR
Availability: InStock

Supplier number: MILWAUKEE 4932478054 | EAN 4058546339876

6.84 tax incl.

€5.65 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered as of 16/11/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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Expanded capability for impact drivers

Practical benefits

Milwaukee socket drive adapter: This accessory converts your impact driver's 1/4" hex reception directly into a standard 3/8" square drive.
Shockzone absorbs peak torque: An engineered flex zone absorbs high-stress impacts during heavy fastening tasks to protect the adapter from fracturing.
Heat treated alloy steel: Built from hardened proprietary steel, the 50 mm body handles demanding mechanical workloads up to 226 Nm.

In a nutshell

The right choise for

This Milwaukee Shockwave Impact Duty socket adaptor lets you run standard sockets directly from your impact driver. It converts a 1/4" hex reception into a 3/8" square drive, allowing you to fasten bolts and nuts during automotive repairs or framing work without reaching for a dedicated impact wrench.

Heat-treated alloy steel and an engineered flex zone absorb peak torque during heavy driving tasks, preventing metal fatigue and snapped bits. The adaptor handles high-torque demands up to 226 Nm on impact drivers.

A detent ball holds each socket securely in place throughout operation. Measuring 50 mm in overall length, the compact profile gives you dependable clearance in tight spots.

Product information FAQ

€6.84

In stock - tax incl.

Key features according to our expert

Accessory/Part type: Adapter
Product Range: Milwaukee SHOCKWAVE IMPACT DUTY

Product description

Proprietary steel and heat treat process for maximum strength and durability.
Heavy duty construction for fastening capabilities in all impacts.
For use only on IMPACT DRIVERS and Drill Drivers NOT wrenches
Tested for use with MILWAUKEE 18V impact drivers - Max. Torque 226Nm

All Features

Accessory/part type: Adapter
Overall length (mm): 50
Product range: Milwaukee SHOCKWAVE IMPACT DUTY

Brand MILWAUKEE
08069194
EAN 4058546339876
Supplier number MILWAUKEE 4932478054

Frequently asked questions about this product

Answered by specialists

What is the main purpose of this adaptor?: It converts a 1/4" hex reception into a 3/8" square drive, allowing you to fit standard 3/8" sockets.
Is this adaptor rated for impact drivers?: Yes, the Shockwave Impact Duty build is engineered specifically for impact drivers and drill drivers.
Can I use this adaptor on a high-torque impact wrench?: No, it is meant for 1/4" hex impact drivers and drill drivers, tested up to a maximum torque of 226 Nm.
What is the overall length of this adaptor?: The total length is 50 mm, providing good access in narrow work areas.
How are sockets held securely on the drive square?: The 3/8" square features a detent ball that holds sockets firmly during fastening.