Angle Grinder Sizes
5 Inch Angle Grinder. Let's go up in size a bit with the 5 Inch model. Angle grinders in this egory have more powerful motors, ranging between 9 AMP and 12 AMP, meaning they deliver between 1080 and 1440 Watts at 120 Volts. Bigger motors mean heavier tools: with these grinders, we are at around 7 pounds. Let's talk appliions for a moment.