Hello, impeller? 100 125; Grinding wheel 200 * 25 * 32250 * 25 * 32; Slice? 100*2* 16 105* 1.2* 16 125* 1.2*22 150* 1.2*22400*3.2*32; Angle grinder? 100 125 150 180; These are the specifications commonly used in metal factories.

Extended data:

Brown corundum is suitable for grinding welds of general metals, carbon steel, alloy steel, stainless steel, cast iron and non-ferrous metals. And polishing Mao Kou for metal stamping parts. Paint removal and rust removal of metal surfaces.

Silicon carbide is specially used for polishing and grinding nonferrous metals and nonmetals, as well as grinding surfaces such as copper, aluminum, plastic, wood, bamboo, leather, glass and stone.

Steel paper shutter is a coated abrasive tool with steel paper as matrix, resin gauze as cloth and resin adhesive as disc. Suitable for grinding non-metallic surfaces such as stainless steel, plastic and wood, and derusting and paint removal of metal surfaces.

References:

Baidu encyclopedia-grinding wheel