Norton® PowerFlex® 66254419997 R828 Arbor Thread Standard Density Coated Abrasive Flap Disc, 4-1/2 in Dia, P80 Grit, Coarse Grade, Zirconia Alumina Abrasive, Type 29 Conical Disc

Flap discs are versatile grinding and finishing tools with three main components - backing plate, adhesive, and abrasive flaps. The flaps wear during use continually exposing new abrasive grain. The different variations of the components provide a variety of applications, ranging from heavy stock removal to blending to finishing. Flap discs are designed for portable grinder applications and can combine the 2-step stock removal and finishing operations of depressed center wheels and fiber discs into one operation.

• Quality zirconia alumina abrasive for good cut rate and life at low initial price point
• Type 29 have an angled face providing greater surface contact and are the best choice fast stock removal
• Fiberglass resin backing plates are the most popular due to high strength, lightweight and ability to absorb vibration
• Polyester cotton backing combination for good cut rate and finishing