Grinders / Edgers

Complete line of Grinders & Planetary Floor Prep Systems • Hand Held and Edging • Grind, Scrape, Profile, Polish and Sand - all with one machine! • Concrete grinders that also work on wood

92800 Grinder, 30"

92800 Planetary Flooring System • Grind, Scrape, Prep, Profile, Polish & Sand! • Reliable, durable & professional finishes!

92650 Grinder, 26"

92650 Planetary Flooring System • Grind, Scrape, Prep, Profile, Polish & Sand! • Reliable, durable & professional finishes!
 

9274-1 Grinder, 22" Disk, 3 HP

Panther® Planetary Floor Prep & Polish System • ONE MACHINE - MULTIPLE FUNCTIONS! • Operates on 230 volt

8274-4 Grinder, 18" Disk, 4 HP

Panther® Planetary Floor Prep & Polish System • Grinds, scrapes, profiles, polishes & sands • 4HP operation in a 115 volt grinder but operates at a 230 volt machine • Not other machine on the market compares to this machine
 

8274-1 Grinder, 18" Disk, 1½ HP

Panther® Planetary Floor Prep & Polish System • ONE MACHINE - MULTIPLE FUNCTIONS! • Operates on 115 volt

5274 Floor Prep System

New! The 5274 represents the next generation of National grinders • Utilizing Nationals unique magnetic tooling system, the 5274 Floor Prep / Grinder removes coatings & glues, creates the perfect profile for new coatings, grinds high spots and more!
 

3424 Hand-Held Grinder, 7"

7" Hand Held Milwaukee Grinder W/Variable Speed & Convertible • Shroud 115V

3420 Hand-Held Grinder, 7"

This 7" concrete grinder controls dust for a cleaner jobsite, reduces clean-up times, provides better visibility and increases productivity

 

3435 Hand-Held Grinder, 5"

National’s hand held grinders offer the perfect solution for those hard to reach and confined spaces found on every job • Includes a convertible shroud for grinding up to the wall

3425-4 Grinder/Edger

Grinder/Edger with motor controller & added head weight • Same features as the 3425 with a 4 HP motor
 

3425 Grinder/Edger

Two Machines in one! • Grinds concrete with a 7" cup wheel and edges along the wall • Compact and easy to use

3425-W Grinder/Edger, 230 Volt

Two machines in one! 230 Volt • Same features as the 3425 with a 230 volt motor
 

9574 Densifier Shield, 1 gallon

1 Gallon - A clear, odorless chemical solution that penetrates and reacts with concrete products to create a surface that is harder and denser

3440 Convertible Shroud, 7"

7" Convertible Shroud only • Adapts to most 7" hand grinders
 

3439-1 Convertible Shroud, 5"

5" Convertible Shroud (only) • Adapts to most 5" hand grinders