The P800 is a 32" propane grinder for large surface prep jobs. Automatic planetary lifting, and a third wheel support ease of loading and transportation. A fully geared transmission removes the work and maintenance of belt-driven machines. The propane...

The P650 propane grinder and polisher is a fully geared machine, with no loose belts to stretch or snap. A 26" grinding width, adjustable working pressure, and Fast Change tooling plates make this machine an easy addition to your fleet.  Designed...

The M800 is a 32" electric grinder for large surface prep jobs. Automatic planetary lifting, and a third wheel support ease of loading and transportation. A fully geared transmission removes the work and maintenance of belt-driven machines. This machine...

The M600 planetary grinder and polisher is a compact powerhouse.  This machine is a fully geared grinder, with no loose belts to stretch or snap. A 23" grinding width, adjustable working pressure, and Fast Change tooling plates make this machine an...

401845 / Plate, Bottom Mounting, Morflex Coupler  This Morflex Coupler is for National's 8274-4. This machine takes a total of 3. Each sold separately.

Designed for small jobs and tough to reach spaces, this 16-inch planetary concrete grinder creates the perfect profile for new coatings.  This easy-to operate floor grinder has a built-in edge grinder, dual-speed operation, an adjustable handle, and...

The 8274-4 planetary grinder is the only grinder on the market offering 3 HP at 115V while operating at a 230V level.  With variable speed and a soft start to control it's amperage draw, the 8274-4 concrete grinder adjusts to the needs of small or...

The 3435 5-inch grinder is an electric, right-angle grinder.  It can be used in a variety of concrete floor preparation applications, including concrete cleaning and leveling as well as mastic, urethane, epoxy, and coatings removal. Disk...

The 3432 is a 5-inch electric, right-angle grinder.  This handheld grinder can be used for a variety of concrete floor preparation applications, including concrete cleaning and leveling as well as mastic, urethane, epoxy, and coatings removal...

This handheld, 7-inch electric, right angle grinder is used for a variety of concrete floor preparation applications, including concrete cleaning and leveling as well as mastic, urethane, epoxy, and coatings removal. Disk Size 7" 18 cm Weight 16...