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grinding with a flap disc on an angle grinder

Video Transcription

Read carefully the instructions in the machine handbook and the safety leaflet supplied with the disc.

Use the correct size and type of guard recommended for grinding.


Check the marking:

  • Declaration of conformity to the Standard EN 13743,
  • The speed in RPM marked on the disc is equal or greater than the speed marked on the machine,

Follow any instruction on material suitability given by the manufacturer.

Do not use a damaged disc.

To be safe, make sure the machine is isolated.

Fit the guard for grinding and check that it is correctly adjusted to protect you from debris, especially in case of breakage. Never use a machine without a guard.

Fit the handle.

Locate the back flange on the keyway, then the disc on the back flange, without force or excessive play.

Then fit the front flange and make sure it clamps the disc.

Tighten with the pin spanner without excessive force.


Wear your personal protective equipment:

  • Suitable clothing
  • Mask,
  • Eye Protection,
  • Ear protection,
  • Protective gloves


Make sure that the work piece cannot move and working area is clean and tidy, and no other person is at risk.

Reconnect the machine, start it and let it run freely at least 30 seconds to ensure that the disc does not break or run with excessive vibration.

Work in a stable position. Always hold an angle grinder with both hands.

Grind at an angle of about 30 degrees to the workpiece moving from side to side,without excessive force on the disc to not damage it.

After turning off the machine, wait until the disc has stopped running before putting down the machine and unplug it.

Never force the disc to stop.

Remove the disc if it is not to be used again.


Follow all the safety recommendations to avoid serious injury.

In case of injury, call the emergency services.

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