Mercer Industries 620150 Depressed Center Grinding Wheel, (10 Pack), 7" x 1/4" x 5/8" - 11

10 pieces of a 7" diameter x 1/4" thick Grinding Wheel for ferrous metals with a 5/8"-11 arbor (spin on and off) | Type 27 Wheel. Use on an Angle Grinder. Max RPM 8,500 | General purpose Aluminum Oxide wheel (A24S dual grit) to grind ferrous metals including steel, structural steel, bar stock, metal tubing and pipe | A24S is an easy to use, forgiving grinding wheel (not too hard) | Wheel is double reinforced with fiberglass and arbor is reinforced with metal for safety.