Abrasive discs used on side grinders are generally what?

The correct understanding is that abrasive discs used on side grinders must be matched to the speed of the motor. This is crucial for maintaining safety and performance. Different abrasive discs are rated for specific RPM (revolutions per minute), and using a disc with a higher RPM rating than the side grinder can lead to catastrophic failure of the disc, resulting in injury or damage to the tool.

When the abrasive disc is properly matched to the grinder's motor speed, it ensures that the tool operates within safe parameters, allowing for efficient and effective cutting or grinding without the risk of the disc shattering. Thus, it’s essential for operators to check both the specifications of the abrasive disc and the equipment to guarantee compatibility, emphasizing the importance of adhering to manufacturer guidelines.