Flap discs are versatile grinding and finishing tools, consisting of three main components: a backing plate, adhesive, and abrasive cloth flaps. The rectangular flaps are overlapped and glued to the backing plate. Flap discs are designed for right angle grinder applications ranging from heavy stock removal to surface blending

• High performance zirconia alumina plus abrasive
• Polyester flaps
• Semi-open coat
• Durable fiberglass back
• Aggressive cut and long life
• Up to 30% longer life than competitive zirconia alumina products
• Improved durability
• Retards loading on aluminum
• High strength, lightweight and absorbs vibration
• New industry standard for trimmability
• Standard flap density
• Better tier

Norton® Bluefire R884P 66623399138 Flap Disc, Type 27 Flat, Outer Diameter: 4-1/2 Inch, Arbor Hole / Thread Size: 5/8-11 Thread, Grade: Medium, Grit: 60, Max Speed: 13300 Rpm, Abrasive Type: Zirconia Alumina Plus, Backing: Plastic, Mounting: Threaded, Product / Materials Abraded: Mild Carbon Steel And Weld