5 Best Bench Grinders - Nov. 2021 - BestReviews
Q. What do grit numbers mean on grinding wheels? A. The grit number tells you how coarse the wheel is. Most bench grinders come with two wheels. A 36-grit wheel is designed for rapid material removal. A 60-grit wheel is for general-purpose shaping and sharpening. A 100-grit wheel is for fine sharpening. A 150-grit and higher wheel is for polishing.
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