Top 10 Bench Grinders of 2019 Video Review
May 10, 2019 · Most bench grinders have two wheels with varying grain sizes. A bench grinder is a portable version of larger, industrial grade grinding machines found in many machinist and metal working shops. They spin at high speeds to remove material, which can be anything from wood to metal, by abrasion. Since they are using abrasion, there is a lot of friction and they generally produce a lot of heat.