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18V ONE+™ 4-1/2" Angle Grinder

Model: #P421 | Home Depot Sku #: 1000441485

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The RYOBI® 18V ONE+™ 4-1/2 in. Angle Grinder delivers a powerful 6,500 RPM for fast and precise work. This tool offers a host of convenient features, including on-board wrench storage. A comfortable GripZone™ overmold combined with a 3-position side handle help reduce fatigue. A 4-1/2 in. grinding wheel is included for added value and convenience.

The 18V ONE+™ Angle Grinder is sold as a bare tool, allowing you to build on your ONE+™ collection without spending additional money on batteries and chargers with each tool purchase. Best of all, like every RYOBI® 18V ONE+™ blue or green tool, this Angle Grinder works with any 18V ONE+™ battery. Upgrade to lithium-ion or LITHIUM+™ batteries for lighter weight and better performance.

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Product Videos

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Pro Features

18V tool for high power applications

Delivers up to 6,500 RPM for speed and precision

Convenient trigger switch

Tool-free guard makes guard positioning easy

Works with all Ryobi 18-volt ONE+ batteries and chargers (not included)

4-1/2 in. grinding wheel included

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Onboard Storage

Onboard spanner wrench conveniently located in the side handle for easy access

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Side Handle

3-position side handle

  • RPM: 6,500 (no load speed)
  • Diameter: 4-1/2"
  • Weight: 4.8 lbs.
  • Angle Grinder
  • Side Handle
  • Grinding Wheel
  • Spanner Wrench
  • *Battery and Charger Sold Separately

18V Angle Grinder - Model p421

P421 190 trilingual 06
Published: 12-20-2018
Filesize: 2.11 MB

P421 190 r
Published: 11-13-2012
Filesize: 396 KB

Click the link below to access power tool replacement parts schematics and order parts online.

For those customers that prefer ordering by phone, simply contact the Ryobi master parts distributor at toll free 1-877-545-4099, and place your order over the phone.

Visit Ryobi Power Tools Parts Store
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