Return to Product Listing

18V ONE+™ 4 1/2 IN. Angle Grinder

Model: #P421 | Home Depot Sku #: 152332

Large 6e5e6eb9 c795 447c bfcd 10cb5ba370d6
Large a8a6016f 6af1 4ad7 8ed1 6f349bc0c69b
Large 96b0d81f e5ca 4437 89bd 6c9b82cd184c
Large 7357e41a 1441 40f8 99a4 83a83078f1ab
Large 2d60a549 c9f2 420c b3dd 802fbe780c56
  • Tiny 6e5e6eb9 c795 447c bfcd 10cb5ba370d6
  • Tiny a8a6016f 6af1 4ad7 8ed1 6f349bc0c69b
  • Tiny 96b0d81f e5ca 4437 89bd 6c9b82cd184c
  • Tiny 7357e41a 1441 40f8 99a4 83a83078f1ab
  • Tiny 2d60a549 c9f2 420c b3dd 802fbe780c56

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.

Product Videos

List 73a76a75 a19a 4fa8 8ec5 6b748a826e66
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

List ad3663ad 35dd 4f63 b327 b5428bc7d43f
Onboard Storage

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

List fee30465 1fea 4d3c 8c2c 7f5e15bcaf47
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 p422 190 trilingual 05
Published: 02-14-2018
Filesize: 2.09 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
It's the best time of year to add onto your ONE+(TM) collection! Save up to $50

Related Projects