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The HART 20V 4-1/2-inch Angle Grinder is equipped with a high-performance motor delivering up to 6,500 RPM for applications including sharpening mower blades, removing excess rust from metal surfaces, and much more. The 3-position auxiliary handle provides added comfort and control for use while ensuring you’ve got a secure grip. The spindle lock ensures quick and easy wheel changes to get you through your projects as quickly and safely as possible. For added safety, this grinder features a two-finger trigger to activate the tool ensuring only deliberate activation. The HART 20V Grinder operates on any 20V HART Lithium-ion battery allowing you to expand your tool collection.


  • High-performance motor with up to 6,500 RPM
  • Enhanced user control with 3 position auxiliary handle
  • Spindle lock for quick and easy wheel changes
  • Tool-free guard for quick and easy adjustments
  • On-board spanner wrench storage for easy access


  • Brand: Hart
  • Dimensions: 16.26 x 6.10 x 4.53 Inches
  • Battery: 20V Lithium-Ion,
  • Speed (RPM): Up to 6,500/min,
  • Wheel Size: 4 1/2″,
  • Tool Weight: 4.55 lbs


  • 4 1/2″ Angle Grinder
  • Auxiliary Handle
  • Type 27 Grinding Guard
  • Type 27 Grinding Wheel
  • Spanner Wrench
  • Operator’s Manual