• Quality zirconia alumina abrasive
• Engineered blend of X-weight cotton and Y-weight polyester flaps
• Durable fiberglass back
• Competitive initial price point
• Good cut rate and life
• Type 29 for hard to grind materials
• Longer life and wear resistance
• High strength, lightweight and absorbs vibration
• Best starting specification for end-user unable to measure performance
• Standard flap density
• Good tier

Norton® Merit®, Metal 66254419984 Flap Disc, Type 29 Conical, Outer Diameter: 4-1/2 Inch, Arbor Hole / Thread Size: 7/8 Inch A.H., Grade: Medium, Grit: 60, Max Speed: 13300 Rpm, Abrasive Type: Zirconia Alumina, Backing: Fiberglass, Mounting: Arbor, Product / Materials Abraded: Stainless Steel, Cast Iron And Aluminum