Features
- Cordless kit includes 20V 2.0Ah battery and 20V 60W charger
- Digital brushless motor
- No-load speed up to 10,000 RPM
- Three-position side handle with onboard wrench storage
- Tool-free guard change with one-handed release
- Spindle lock for quick wheel changes
- Dual-function lock switch (prevents accidental startup and locks on)
- Compatible with most 4-1/2-inch and 5-inch grinding wheels (sold separately)
Specifications
| Brushless Motor | Yes |
| No Load Speed | 10,000 RPM |
| Disc Size | 4-1/2 in. |
| Arbor Size | 5/8 in. |
| Tool Dimensions | 11.8 in. x 5.3 in. x 4.6 in. |
| Tool Weight | 3.53 lbs |
| Battery (Included) | PWR Core 20 20V 2.0Ah |
| Charger (Included) | 20V 60W |
| Re Start Protection | Yes |
| Overload Protection | Yes |
| Overtemperature Protection | Yes |
| Soft Start | Yes |
| Wrench Storage In Side Handle | Yes |
| Three Position Handle | Yes |
| Tool Free Guard Change / Adjustment | Yes |
Related Tools
Related Articles
Cordless 4-1/2-inch angle grinder with a digital brushless motor rated up to 10,000 RPM. Designed for cutting, grinding, sharpening, and polishing on metal, tile, stone and similar materials. The tool includes a three-position side handle with onboard wrench storage, a tool-free guard change with one-handed release, a spindle lock for wheel changes, and a dual-function lock switch to prevent accidental starts or lock the trigger for continuous operation. The kit includes a 20V 2.0Ah battery and a 20V 60W charger.
Model Number: AG2990B-10
Project Ideas
Business
Mobile Blade and Tool Sharpening
Offer on-site sharpening of lawnmower blades, axes, hoes, and garden shears using grinding wheels and flap discs. The cordless, 10,000 RPM brushless grinder makes quick work in driveways without power access.
Custom Metal Garden Art & Fire Pits
Design and sell steel garden stakes, wall silhouettes, and fire pits with intricate cutouts. Rapidly switch from cutting to edge-finishing to fulfill Etsy and local market orders with clean, finished pieces.
Tile and Stone Trim & Edge Service
Provide small-job tile resizing, on-site beveling, and polishing for backsplash fixes, stair treads, or chipped granite edges. Diamond blades and polishing pads paired with the grinder’s three-position handle enable precise, tidy results.
Weld Cleanup and Fabrication Finishing
Partner with local welders and makers to grind welds, blend seams, and polish surfaces on gates, railings, racks, and furniture. The tool-free guard and spindle lock speed up wheel changes across multiple jobs per day.
Rust Removal and Surface Prep
Offer rust and paint removal on patio furniture, railings, trailers, and automotive parts, followed by primer application. Use wire cups, stripping discs, and flap wheels; the lock-on switch helps for longer continuous sessions.
Creative
Geometric Tile-Inlay Patio Table
Cut porcelain or stone tiles into triangles/hexagons with the grinder and inlay them into a wooden or metal table frame. Use a diamond blade for cuts and a polishing pad to ease edges; the three-position handle lets you control angles for clean miters.
Custom Steel Fire Pit with Cutout Patterns
Transform a steel drum or sheet into a fire pit, cutting silhouettes (mountains, constellations, initials) with cut-off wheels. Smooth sharp edges and blend welds with flap discs; the tool-free guard change makes switching from cutting to grinding fast.
Live-Edge Stone Charcuterie Board
Trim a granite or marble remnant to size, round the corners, and polish the top and chamfers. Start with a diamond cup for flattening and step through polishing pads to bring a satin or glossy finish.
Industrial Pipe Lamp with Brushed Finish
Assemble black iron pipe into a desk lamp and use the grinder with flap wheels to create a uniform brushed metal finish. Polish the base plate and deburr cut edges for a professional, hand-crafted look.
Metal House Numbers/Nameplate
Cut house numbers or a family name from 1/8-inch steel plate, then bevel and polish the edges for depth. Use the spindle lock for quick wheel changes between cutting, grinding, and Scotch-Brite polishing discs.