What drive size does this impact socket have?

It features a 1/2" square drive compatible with standard 1/2" impact wrenches, ratchets, and breaker bars.

Which fastener size does this socket fit?

It is designed with a 6-point hex profile for 21 mm nuts and bolts.

What is the total length of this standard socket?

The total length of this standard-depth socket is 38 mm.

What is the benefit of the 6-point geometry?

The 6-point non-slip design grips the flat sides of the fastener to prevent rounding the edges.

Can this socket be used with manual hand tools?

Yes, it is built to withstand impact tools but works just as well on manual 1/2" hand ratchets and torque wrenches.

MILWAUKEE 4932480315 SHOCKWAVE IMPACT DUTY 1/2" impact-resistant short cap standard 21 mm

Name: MILWAUKEE 4932480315 SHOCKWAVE IMPACT DUTY 1/2" impact-resistant short cap standard 21 mm
Brand: MILWAUKEE
SKU: 03246191
Price: 10.1 EUR
Availability: PreOrder

Supplier number: MILWAUKEE 4932480315 | EAN 4058546406004

10.10 tax incl.

€8.35 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

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Buy a participating Milwaukee hand tool or TOOLGUARD product. Participating products can be identified by the promotional label on the product page.
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During the promotional period, submit your cashback claim to Milwaukee here, together with your proof of purchase.
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The promotion is valid from 01.10.2026 to 31.10.2026.

Maximum torque transfer on stubborn fasteners

Practical benefits

Milwaukee SHOCKWAVE IMPACT DUTY build: High-quality chrome-molybdenum alloy steel provides superior strength and withstands the high torque demands of your impact wrench.
Secure non-slip hex geometry: The 6-point design grips the flat sides of fasteners to prevent rounding and damage during high-stress fastening.
Clear wear-resistant size markings: Stamped and ink-filled markings ensure you quickly identify the 21 mm socket size in your toolkit.

In a nutshell

The right choise for

Tackle demanding fastening jobs on 21 mm nuts and bolts with the Milwaukee Shockwave Impact Duty 4932480315 standard impact socket. Engineered from robust chrome-molybdenum alloy steel, this 1/2" drive socket easily withstands high torque from your impact wrench. The non-slip 6-point hex geometry grips the flat sides of fasteners, preventing rounding and damage under intense stress. Thanks to its compact 38 mm length, you can easily access tight spots during vehicle maintenance or structural assembly. Stamped and ink-filled markings ensure quick and durable identification of the 21 mm size, helping you work faster and with complete confidence.

Product information Accessories FAQ

€10.10

tax incl.

Key features according to our expert

Socket size: 21 mm
Connection size: 1/2"
Length: 38 mm
Type of drive profile (socket): Hexagonal
Product Range: Milwaukee SHOCKWAVE IMPACT DUTY

Product description

SHOCKWAVE IMPACT DUTY steel (Chrome-Molybdenum) is high quality alloy steel which provides ultimate strength and durability.
Best fitting thanks to 6 gripping points.
Non-slip hex geometry to prevent socket and fastener rounding.
Deep wall construction provides clearance for protruding bolts.
Stamped and ink filled diameter markings and laser etched part number for wear resistance.
Dual hole design and groove for security accessories.

All Features

Socket size: 21 mm
Connection size: 1/2"
Length: 38 mm
Type of drive profile (socket): Hexagonal
Stud size: M14
Size across [af] (mm): 21
Working length (mm): 11.7
Working depth (mm): 11.7
Overall length (mm): 38
Product range: Milwaukee SHOCKWAVE IMPACT DUTY

Brand MILWAUKEE
03246191
EAN 4058546406004
Supplier number MILWAUKEE 4932480315

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Frequently asked questions about this product

Answered by specialists

What drive size does this impact socket have?: It features a 1/2" square drive compatible with standard 1/2" impact wrenches, ratchets, and breaker bars.
Which fastener size does this socket fit?: It is designed with a 6-point hex profile for 21 mm nuts and bolts.
What is the total length of this standard socket?: The total length of this standard-depth socket is 38 mm.
What is the benefit of the 6-point geometry?: The 6-point non-slip design grips the flat sides of the fastener to prevent rounding the edges.
Can this socket be used with manual hand tools?: Yes, it is built to withstand impact tools but works just as well on manual 1/2" hand ratchets and torque wrenches.