Type 27 NorZon Plus Depressed Center Wheel 7 in Diameter 1/8 in Thick 5/8 in-11 Arbor 10/PK Norton Type 27 NorZon Plus Depressed Center Grinding Wheels Used With: Right Angle Grinder Quantity: 10 per pack Dia. [Nom]: 7 in Bond: Resin Arbor Diam [Nom]: 5/8 in Applications: Cutting; Notching; Light Grinding Abrasive Trade Name: NorZon Plus Thickness [Nom]: 1/8 in Style: Long Life Arbor Thread - TPI or Pitch: 5/8 in - 11 Speed [Max]: 8 600 rpm Abrasive Material: Ceramic Alumina/Zirconia Alumina Type: Type 27 Wt.: 0.89 lb Tool Shape: Type 27 Applicable Materials: Metal; Steel; Stainless Steel; Exotic Alloys; Iron Grit: 24