
Frequently Asked Questions - Mercer Industries
Below are some of the most frequently asked questions about our products: I have a 4.5″ mini-grinder with a 5/8″-11 spindle. Can I use a 7″ or 9″ grinding wheel on it if I remove the wheel guard? Never use a wheel that is larger than the machine designed for. The guard is there to protect the operator from sparks and fragments caused by the grinding process. Also, a smaller grinder ...