Safe Work Practice - Angle Grinder

Safe Work Practice - Angle Grinder

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Did you know that grinder discs must have an RPM rating equal to or greater than that of the grinder? Using discs with a lower RPM rating can lead to dangerous consequences. Follow these safe work practices to ensure the safe operation of angle grinders.

Key Features:

  • Additional PPE Required:
    • Hearing Protection
    • Leather Gloves (Cut Level 4)
    • Double Eye Protection
    • Respirator (when working with stainless steel)
  • Date of Creation: [Insert Date]
  • Reviewed/Revised By: [Insert Name]

General Safe Work Practices:

  • Protective Gear:

    • When using a welding helmet for both welding and grinding operations, ensure it meets CSA Z94.3 & ANSI Z87+ (Impact Resistance Standards) requirements.
    • All workers within 10 feet (3 meters) of grinding activities must wear sealed eye protection under a clear, impact-resistant face shield.
  • Personal Safety:

    • Remove all jewelry and hoodie strings. Tie back long hair and loose-fitting clothing.
    • Ensure the grinder is disconnected from the power source before inspecting or changing the grinder disc.
  • Equipment Inspection:

    • Inspect the grinder prior to use. Check the cord for any damage and ensure the grinder has a guard, secondary handle, and safety features such as a kickback protection and E-brake.
    • Inspect discs for chips or cracks. Tag and remove any tool that does not meet inspection criteria for repair.
  • Safe Operation:

    • Only use discs with an RPM rating equal to or greater than that of the grinder. Using lower RPM discs is prohibited.
    • Use the grinder with both hands, maintaining proper footing and balance to avoid slips and injuries.
    • Ensure all possible hazards are mitigated, including stored energy, cuts/lacerations, flying objects, and sparks.
  • Workspace Safety:

    • Ensure all bystanders are clear of the work area and use the grinder in well-ventilated spaces.
    • Use proper techniques for starting, operating, and stopping the grinder as per the manufacturer’s specifications.
    • Verify lighting levels and ensure a fire blanket or welding shields are in place to manage sparks.


  • Injury Prevention: Adhering to these practices significantly reduces the risk of injuries associated with angle grinder use.
  • Enhanced Safety Culture: Promotes a proactive approach to safety by addressing and mitigating potential hazards.
  • Compliance: Ensures adherence to safety regulations and manufacturer guidelines, fostering a safer work environment.

How to Use:

  1. Train Workers: Educate all employees on the safe work practices for using angle grinders.
  2. Regular Inspections: Conduct regular inspections and maintenance checks to ensure the grinder and discs are in good working condition.
  3. Monitor Compliance: Ensure that all workers follow the safe work practices consistently.

Implement these safe work practices to ensure the safe and efficient use of angle grinders in your workplace, minimizing the risk of accidents and promoting a culture of safety.