How to Change an Angle Grinder Wheel

We show you several ways of how to change an angle grinder wheel. You can do this in any number of ways—even if you’ve lost your spanner wrench. Don’t worry, all hope is not lost!


Note: Want to see a video of how to change an angle grinder wheel using these same methods? Check out our YouTube tutorial!

How to Change an Angle Grinder Wheel with a Spanner Wrench

What you need:

  • Your angle grinder
  • The spanner wrench that came with your angle grinder (different models use different sizes, so another may or may not work)
  • A grinder wheel you want to install

Here’s how to change a grinder wheel with a spanner wrench:

  1. Locate the wheel lock button (usually on the top). Press it down and rotate the wheel until you feel it lock into position.
  2. With the button held down, place the two knobs of your spanner wrench into two opposite holes on the flange holding the wheel in place (the flange is the round nut-looking piece that holds the wheel in place.
  3. While pressing down the wheel lock button, turn the spanner wrench counter-clockwise until you feel the flange loosen.
  4. Hand thread the flange off.
  5. Slip your new angle grinder wheel on, and reverse the process.

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