Tools
Why Sandpaper Grit Numbers Run Backward
Higher grit numbers correspond to smaller abrasive particles, so they remove material more slowly and leave finer scratches. The grit number is literally the number of gritty grains per linear inch.
Tools
Higher grit numbers correspond to smaller abrasive particles, so they remove material more slowly and leave finer scratches. The grit number is literally the number of gritty grains per linear inch.