8274-4
PLANETARY GRINDER AND POLISHER
The 8274-4 is the only grinder on the market offering 3 HP at 115 volts while operating at a 230-volt level. With variable speed and a soft start to control its amperage draw, the 8274-4 adjusts to the needs of small or large jobs. This machine is well suited for removal of thin-set, coatings, adhesive, prepping concrete for overlays or coatings, and polishing.
SAFETY
- Dual rear vacuum ports
- Removable handle and weights for easy transport
COMFORT
- Three-part adjustable angle handle
PERFORMANCE
- Choose from 15A or 20A circuit-breaker settings with a convenient switch on the side of the controller; the 15A selection limits motor draw to 15 amps; the 20A selection pulls up to 20 amps
- Forward and reverse directional controls increase tooling productivity with cleaner consumables and more even wear
- Variable speed control
- Flip-style weights for added or decreased head pressure
- 18-inch grinding path; uses National’s patented self-tensioning, single-belt design to prepare concrete surfaces to a 3000-resin shine
- Adjustable velcro dust guard lets the machine operate within an eighth of an inch of walls and promotes nearly dustless operation
- Grinder head rotates 90 degrees for easy tooling change access; Morflex couplers, polishing undulating concrete surfaces or creating a uniform scratch pattern for coating applications; operates a complete dry grind and polish system to eliminate messy and hazardous slurry
