Rough Grinding vs Finishing: See the Difference Between Grinding Discs and Flap Discs on One Steel Plate

Test on the same workpiece. One side with grinding disc, the other with flap disc. The difference in finishing effect is visible at a glance! Start rough grinding with the grinding disc.

It features high stock removal and deep cutting capacity, specially designed to quickly remove weld beads, heavy burrs and scale. However, it leaves deep scratches and a rough surface,

only suitable for primary rough machining. Now the flap disc. Constructed with flexible abrasive flaps, it cuts more gently and cannot remove large volumes of material in one pass.

Its function is to smooth out deep grinding marks left by rough grinding, delivering a fine and smooth surface finish. Choose grinding discs for rough grinding and flap discs for finishing.