Wolverine™ Grinding Wheel, 4 1 2 in dia, 1 4 in Thick, 5 8 in 11 UNC Arbor, 24 Grit no checkout For light to medium duty For light to medium duty Proprietary steel and heat treat process yields greater strength and longer bit life Cutting edge machining process results in tighter tolerances and superior product consistency Provide a better and more consistent fit to fasteners iron and other ferrous metals Abrasive Material Aluminum Oxide Anchor Brand Catalog NO Applicable Materials Steel Applications General Purpose Grinding Arbor Diam [Nom] 5 8 in Arbor Thread TPI or Pitch 11 UNC Big Catalog YES Bond Resin Brand Weiler Catalog Big Catalog Color Black Construction Catalog NO Country of Origin SI Dia