Cutting metal with cutting wheels - The Fabricator
2015-7-27u2002·u2002For example, instead of using a 4.5-in. wheel on a 6-amp grinder, use a 4.5-in. wheel on a 10-amp grinder. The RPM rating remains the same, but the tool will provide more torque to cut into the metal. Choose a tool and consumables that offer quick, consistent cutting, which typically provides the most efficient performance.
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