Professional Tool Reviews for Pros


Ridgid 18V Brushless 4 1/2-Inch Angle Grinder R86047

Ridgid Raises Performance With New Brushless Angle Grinder

When using an angle grinder, you want something that’s going to have the power to get the job done quickly and efficiently. Ridgid tells us that its 18V Brushless Angle Grinder (R86047B) delivers better performance than its predecessor.


Ridgid 18V 4 1/2-Inch Brushless Angle Grinder: The Big Deal

Ridgid 18V Brushless 4 1/2-Inch Angle Grinder R86047

There are a few notable aspects that differentiate the Ridgid R86047B brushless angle grinder from its previous 18V Octane model. For starters, it has a 9,000 RPM output compared to the 10,000 RPM we saw from Octane, which may seem like a step down in performance. However, Ridgid tells us it actually has 25% more power, so expect tough cuts and grinds to be easier for the updated tool. Remember to use Max Output batteries to get the peak performance.

Ridgid 18V Brushless 4 1/2-Inch Angle Grinder R86047

It also changes over to a paddle switch, as opposed to the sliding switch on the previous model. It’s a nod toward safety. As soon as you let go of the paddle switch, the wheel quickly stops rotating using an electronic brake mechanism.

Another noteworthy upgrade is the tool-free wheel changes. We’re beginning to see more of these trickle onto angle grinders, and it’s so nice to ditch the spanner wrench completely!


Additional Features

  • Multi-position side handle
  • Tool-free guard adjustment
  • Compatible with all Ridgid 18V batteries
  • Includes angle grinder, type 27 grinding wheel, guard, side handle, and operator’s manual

Price and Availability

This tool has a retail price of $159 for the bare tool (the battery and charger are sold separately). It will be available in May 2022 exclusively at The Home Depot. If you register within 90 days, you qualify for Ridgid’s Lifetime Service Agreement.

Specifications

  • Model: Ridgid R86047B
  • Power Source: Ridgid 18V battery (Max Output recommended for the best performance)
  • Depth: 12.85 in
  • Width: 5.59 in
  • Height: 5.45 in
  • Weight: 5 lb
  • Wheel diameter: 4-1/2 in
  • Battery power type: Lithium-ion
  • Maximum speed: 9000 RPM

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