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The 8274-4 planetary grinder is the only grinder on the market offering 3 HP at 115V whil operating at a 230V level. With variable speed and a soft start to control it's 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.
See Features Below:
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Three-part adjustable angle handle
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Electronic control box minimizes tripped and blown breakers
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Forward and reverse directional controls increase tooling productivity with cleaner consumables and more even wear
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Variable speed control
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Dual rear vacuum ports
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Flip-style weights for added or decreased head pressure
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Removable handle and weights for easy transport
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18-inch grinding path; uses National’s patented self-tensioning, single-belt design to prepare concrete surfaces to a 3000-resin shine
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Adjustable velcro dust guard lets the machine operate within 1/8 inch of walls and promotes nearly dustless operation
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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
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This new and improved grinder now features the increased reliability of an on/off switch on the handle
