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The Milwaukee 2686-20 is an 18V cordless angle grinder with an 11,000-rpm brushless motor built for cutting and surfacing. It takes 4-1/2" and 5" wheels on a 5/8"-11 spindle, and the paddle switch runs the tool only while you hold it. An electronic clutch cuts power on kickback, and overload protection guards the motor. With an XC5.0 battery it weighs 4.6 lbs and measures 12.25" long, which is light and short for a cordless grinder. It suits tradespeople who cut rebar, threaded rod and metal on sites without an outlet, and it trades the raw power of a corded grinder for freedom from a cord.
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Lowest price we've seen: $129.00 on Nov 13 at Home Depot. Tracked across 12 stores since Nov 13.
Owners rate the 2686-20 highly for its size, smooth power delivery and kickback clutch. Most criticism centers on runtime with smaller batteries and the bare-tool packaging.
The Milwaukee M18 Brushless 4-1/2" / 5" Cut-Off Grinder is a compact, lightweight grinder for cutting and surfacing. Its 11,000-rpm brushless motor is built and optimized for those jobs. With REDLINK power tool technology and REDLITHIUM batteries, it delivers up to 80 cuts in 1/2" rebar.
An electronic clutch protects against kickback, and overload protection helps extend motor life. REDLINK Intelligence also monitors temperature to prevent damage to the tool and battery. The gear case is all metal.
The paddle switch is designed for comfortable use in various positions. The guard adjusts without tools. The 5/8"-11 spindle works with common grinder accessories. The tool runs on all M18 batteries, which are not included.
