Harbor Freight Tools


20V Brushless Cordless 4-1/2 in. / 5 in. Slide Switch Angle Grinder - Tool Only

This professional-grade brushless cordless angle grinder delivers up to 8500 RPM. The two-position side handle provides control through tough griding applications.

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Powered by a high-efficiency brushless motor, the HERCULES® 20V Brushless Cordless Angle Grinder delivers up to 45% more runtime, along with 20% more power*. This grinder maintains constant power in the toughest grinding and cutting applications. The compact, lightweight frame, 2-position side handle, and lock-on switch provide ultimate comfort and control during extended periods of use. Powered by the HERCULES® Lithium Battery System, this brushless grinder goes where the job is.

  • Powerful 20V brushless motor delivers up to 8500 RPM
  • Slide switch locks grinder on and easily switches off
  • 4-1/2 in. and 5 in. tool-free adjustable Type 27 guards for quick, easy positioning, fitting 4 in. to 5 in. wheels
  • Two-position side handle for added comfort and control
  • Rugged aluminum gear housing and reinforced plastic body provide maximum durability
  • Includes 4-1/2 in. grinding wheel, 4-1/2 in. and 5 in. Type 27 guards, side handle, arbor nut and wrench

Replacement Parts in Stock

Call to Order: 1-800-444-3353

View Available Parts

Important Information

  • 5-Year Limited Warranty for HERCULES® 20V brushless tools purchased on or after 8/19/22. See www.harborfreight.com/hercules for full terms. Tool only - Requires HERCULES® 20V battery and charger, sold separately. *Based on stated specifications of standard product.

Accessories Included
4-1/2 in. grinding wheel, 4-1/2 in. and 5 in. Type 27 guards, side handle, arbor nut and wrench
Arbor size
5/8-11 in.
Battery type
Battery voltage (volts)
Battery(s) Included
Speed (max)
8500 RPM
Product Length
13-1/8 in.
Product Weight
4 lbs.
Shipping Weight
5.60 lb.
Switch type
Slide Switch
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 5 years from the date of purchase. Limitations apply.