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Sandpaper Conversions

Convert sandpaper grit numbers to micron particle size across CAMI, FEPA, and JIS grit scales.
Find the equivalent grit for any abrasive.

Sandpaper Grit Converter

Convert sandpaper grit to micron particle size in both standards. See where CAMI and FEPA P-grades agree and where a 400 grit is not a P400.
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