Milwaukee 48-52-5070 – Product Description
What it is:
The 48-52-5070 is a Milwaukee 4" crimped wire wheel brush used on angle grinders for general-purpose surface cleaning and conditioning.
Key specs:
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Type: Crimped wire wheel (radial brush)
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Diameter: 4"
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Wire material: Carbon steel
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Mount: 5/8"-11 threaded arbor
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Max RPM: 12,000
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Tool use: 4-1/2" or 5" angle grinders
What it’s used for:
This is a surface prep tool, not a cutting or drilling accessory.
Common uses:
- Removing rust and corrosion
- Cleaning welds and slag
- Stripping paint and coatings
- Cleaning metal before welding or painting
- Light fabrication cleanup
Key features:
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Crimped wire design: Flexible bristles that conform to surfaces and edges
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Less aggressive than knotted wire: Reduces gouging and surface damage
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Hyperwire construction: Improves durability and material removal efficiency
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Reduced vibration design: Better control and smoother operation
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General-purpose use: Balanced for everyday shop and jobsite cleaning
In plain terms:
This is basically a metal “scrubbing wheel” for an angle grinder.
- It doesn’t cut or grind like a disc
- It scrapes/brushes away rust, paint, and scale
- It’s designed for cleanup and prep work, not shaping material
Simple takeaway:
- 48-52-5070 = crimped wire wheel brush
- Used on angle grinders
- Best for rust removal and surface prep
- Less aggressive than knotted wire versions
