Graco 25P471 GrindLazer HP RC820 H Hydraulic-Powered Scarifier, part number 25P471. Graco GrindLazer HP RC820 H concrete/asphalt surface scarifier (planer) for removing line stripes, coatings, mastic and surface laitance and for roughening concrete. Powered. Rotary cutter; maximum cut width 8 in (203 mm); up to 1000 ft²/hr cut rate. All values read from the Graco product page (25P471 on graco.com).
| Brand | Graco |
| Line | GrindLazer |
| Model | HP RC820 H |
| Series | High Production Series |
| Product series | High Production |
| Part number | 25P471 |
| Cutter Type | Rotary |
| Depth Adjustment | Manual |
| Maximum Cut Rate (ft2/hr) | 1000 |
| Maximum Cut Width (in) | 8 |
| Type | Concrete Scarifier |
| Vacuum Port | Yes |
| Maximum Cut Width (cm) | 20 |
| Maximum Cut Width (mm) | 203 |
| MOQ | 1 |
GrindLazer is a walk-behind/handheld concrete surface scarifier. Match cutter drum/flail assembly to the coating or profile required; most models pair with a Graco LineDriver and a dust-extraction vacuum (sold separately). Confirm engine fuel type and cut width before ordering.