Power through stubborn metric fasteners with the Milwaukee SHOCKWAVE 20 mm x 1/2 in. drive Deep Impact Socket. Built for high-torque impact work, this socket combines six-point engagement with a deep profile to maximize grip and minimize rounding on tough bolts.
Key details at a glance:
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Socket size: 20 mm (metric) for common automotive and machinery fasteners
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Drive size: 1/2 in for compatibility with most impact wrenches and power tools
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Configuration: 6-point design for better torque transfer and grip on hex fasteners
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Depth: Deep socket style to reach recessed bolts and long studs
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Material: Chrome Vanadium steel for durability under heavy-duty use
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Impact-rated: Built to withstand repeated hammering and shocks from impact drivers
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Length: 3.07 inches overall, offering reach without compromising control
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Packaging: Carded to ensure secure retail display and single-socket packaging
Where it shines
The 20 mm metric size makes it an essential part of any toolkit focused on metric fasteners—from brake caliper bolts to suspension components and engine bay hardware. The 1/2 in drive maximizes torque transfer, reducing cam-out and speeding up jobs that require sustained turning force. The deep, six-point geometry minimizes rounded corners on stubborn fasteners and maintains grip even when bolts are slightly corroded or tight.
Who should add this socket to their kit?
Automotive technicians, diesel and fleet mechanics, and DIY enthusiasts tackling tasks on cars, trucks, and equipment that use metric fasteners. If you frequently service vehicles from European and Asian manufacturers or work with heavy equipment where deep reach matters, this Milwaukee SHOCKWAVE socket is a robust, reliable choice.
Practical tips
- Pair with a compatible 1/2 in drive impact wrench or breaker bar for best performance.
- Use in combination with a socket rail or tray to keep your 20 mm set organized for quick access in busy jobs.
- Inspect the socket for wear after heavy use; six-point engagement should remain true to maintain grip.