Abrasive Flap Disc, 4-1/2 in, 60 Grit, 5/8 in - 11 Arbor, 13,000 rpm, AngledDesigned for versatility in cutting and grinding Ideal for metal and wood surface preparation Provides efficient material removal while maintaining surface integrity Phenolic backing. Specifications Abrasive Material Zirconium Anchor Brand Catalog NO Applicable Materials Cast Iron; Most Metals; Non Ferrous Soft Metal; St Applications Deburring; Finishing; Grinding; Weld blending Arbor Diam [Nom] 5 8 in to 11 Arbor Thread TPI or Pitch 5 8 in to 11 Big