This powerful, 110V machine will prep and polish concrete up to a 3000-level polish. The 8274-4 is a planetary grinder powered by a 3 HP motor. Built in soft start to control amperage draw, and an upgraded box, this 110V machine runs at a 230V level.

Adjustable weights and variable speed allow the 8274-4 to adjust 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.

Included with the 8274-4:

• 401882: Morflex couplers
• 9241: Quick-change magnetic-mount assembly: Three assemblies and three 73250 tooling holder mounting screws are required
• 73135: 5/32″ Hex key
• 9245: Velcro Adapter – mounts onto the 9241 quick-change magnetic assembly for using polishing pads and brazed disks. Three adpaters are required.
• 6280-401B: 7/32 T-handle wrench