I will show you how to make wooden discs for angle grinders with your own hands from old oil filters. By chapter v What can be done with a homemade angle grinder. Two options for homemade disc nut. How to make an angle grinder from an oil filter. Angle grinder from test oil filter. We try to cut nails with a homemade disk. Restoring a disc for angle grinders after a nail. How to balance a disc for angle grinders.